Home / 4,920,320.10-7,380,480.15-2,767,984.05

Finding the Fourth Proportional to 4,920,320.10, 7,380,480.15 and 2,767,984.05

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Solution

The fourth proportional to 4,920,320.10, 7,380,480.15 and 2,767,984.05 is: 4,151,976.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,320.10 : 7,380,480.15 = 2,767,984.05 : x
  2. Step 2: Convert to fraction form
    4,920,320.10/7,380,480.15 = 2,767,984.05/x
  3. Step 3: Cross multiply
    4,920,320.10x = 7,380,480.15 × 2,767,984.05
  4. Step 4: Simplify right side
    4,920,320.10x = 20,429,051,336,541.61
  5. Step 5: Solve for x
    x = 20,429,051,336,541.61/4,920,320.10
  6. Step 6: Final answer
    x = 4,151,976.08

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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.