Home / 5,800,428.40-8,700,642.60-4,455,180.40

Finding the Fourth Proportional to 5,800,428.40, 8,700,642.60 and 4,455,180.40

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Solution

The fourth proportional to 5,800,428.40, 8,700,642.60 and 4,455,180.40 is: 6,682,770.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,800,428.40 : 8,700,642.60 = 4,455,180.40 : x
  2. Step 2: Convert to fraction form
    5,800,428.40/8,700,642.60 = 4,455,180.40/x
  3. Step 3: Cross multiply
    5,800,428.40x = 8,700,642.60 × 4,455,180.40
  4. Step 4: Simplify right side
    5,800,428.40x = 38,762,932,378,925.04
  5. Step 5: Solve for x
    x = 38,762,932,378,925.04/5,800,428.40
  6. Step 6: Final answer
    x = 6,682,770.60

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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.