Home / 6,403,920.96-8,840,040.12-4,341,760.92

Finding the Fourth Proportional to 6,403,920.96, 8,840,040.12 and 4,341,760.92

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Solution

The fourth proportional to 6,403,920.96, 8,840,040.12 and 4,341,760.92 is: 5,993,412.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403,920.96 : 8,840,040.12 = 4,341,760.92 : x
  2. Step 2: Convert to fraction form
    6,403,920.96/8,840,040.12 = 4,341,760.92/x
  3. Step 3: Cross multiply
    6,403,920.96x = 8,840,040.12 × 4,341,760.92
  4. Step 4: Simplify right side
    6,403,920.96x = 38,381,340,724,248.11
  5. Step 5: Solve for x
    x = 38,381,340,724,248.11/6,403,920.96
  6. Step 6: Final answer
    x = 5,993,412.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.