Home / 4,920,307.40-7,380,461.10-2,904,768.20

Finding the Fourth Proportional to 4,920,307.40, 7,380,461.10 and 2,904,768.20

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Solution

The fourth proportional to 4,920,307.40, 7,380,461.10 and 2,904,768.20 is: 4,357,152.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,307.40 : 7,380,461.10 = 2,904,768.20 : x
  2. Step 2: Convert to fraction form
    4,920,307.40/7,380,461.10 = 2,904,768.20/x
  3. Step 3: Cross multiply
    4,920,307.40x = 7,380,461.10 × 2,904,768.20
  4. Step 4: Simplify right side
    4,920,307.40x = 21,438,528,704,617.02
  5. Step 5: Solve for x
    x = 21,438,528,704,617.02/4,920,307.40
  6. Step 6: Final answer
    x = 4,357,152.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.