Home / 6,643,407.87-9,167,902.80-3,587,621.85

Finding the Fourth Proportional to 6,643,407.87, 9,167,902.80 and 3,587,621.85

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Solution

The fourth proportional to 6,643,407.87, 9,167,902.80 and 3,587,621.85 is: 4,950,918.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643,407.87 : 9,167,902.80 = 3,587,621.85 : x
  2. Step 2: Convert to fraction form
    6,643,407.87/9,167,902.80 = 3,587,621.85/x
  3. Step 3: Cross multiply
    6,643,407.87x = 9,167,902.80 × 3,587,621.85
  4. Step 4: Simplify right side
    6,643,407.87x = 32,890,968,403,956.18
  5. Step 5: Solve for x
    x = 32,890,968,403,956.18/6,643,407.87
  6. Step 6: Final answer
    x = 4,950,918.12

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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.