Home / 3,189,002.60-4,781,123.10-1,926,564.20

Finding the Fourth Proportional to 3,189,002.60, 4,781,123.10 and 1,926,564.20

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Solution

The fourth proportional to 3,189,002.60, 4,781,123.10 and 1,926,564.20 is: 2,888,407.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,002.60 : 4,781,123.10 = 1,926,564.20 : x
  2. Step 2: Convert to fraction form
    3,189,002.60/4,781,123.10 = 1,926,564.20/x
  3. Step 3: Cross multiply
    3,189,002.60x = 4,781,123.10 × 1,926,564.20
  4. Step 4: Simplify right side
    3,189,002.60x = 9,211,140,600,253.02
  5. Step 5: Solve for x
    x = 9,211,140,600,253.02/3,189,002.60
  6. Step 6: Final answer
    x = 2,888,407.99

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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.