Home / 6,474,809.10-9,712,213.65-1,986,501.90

Finding the Fourth Proportional to 6,474,809.10, 9,712,213.65 and 1,986,501.90

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Solution

The fourth proportional to 6,474,809.10, 9,712,213.65 and 1,986,501.90 is: 2,979,752.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,474,809.10 : 9,712,213.65 = 1,986,501.90 : x
  2. Step 2: Convert to fraction form
    6,474,809.10/9,712,213.65 = 1,986,501.90/x
  3. Step 3: Cross multiply
    6,474,809.10x = 9,712,213.65 × 1,986,501.90
  4. Step 4: Simplify right side
    6,474,809.10x = 19,293,330,868,930.93
  5. Step 5: Solve for x
    x = 19,293,330,868,930.93/6,474,809.10
  6. Step 6: Final answer
    x = 2,979,752.85

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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.