Home / 5,425,773.70-8,139,956.55-1,639,293.70

Finding the Fourth Proportional to 5,425,773.70, 8,139,956.55 and 1,639,293.70

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Solution

The fourth proportional to 5,425,773.70, 8,139,956.55 and 1,639,293.70 is: 2,459,332.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425,773.70 : 8,139,956.55 = 1,639,293.70 : x
  2. Step 2: Convert to fraction form
    5,425,773.70/8,139,956.55 = 1,639,293.70/x
  3. Step 3: Cross multiply
    5,425,773.70x = 8,139,956.55 × 1,639,293.70
  4. Step 4: Simplify right side
    5,425,773.70x = 13,343,779,490,688.73
  5. Step 5: Solve for x
    x = 13,343,779,490,688.73/5,425,773.70
  6. Step 6: Final answer
    x = 2,459,332.11

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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.