Home / 6,475,998.90-9,713,998.35-1,987,691.70

Finding the Fourth Proportional to 6,475,998.90, 9,713,998.35 and 1,987,691.70

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Solution

The fourth proportional to 6,475,998.90, 9,713,998.35 and 1,987,691.70 is: 2,981,537.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475,998.90 : 9,713,998.35 = 1,987,691.70 : x
  2. Step 2: Convert to fraction form
    6,475,998.90/9,713,998.35 = 1,987,691.70/x
  3. Step 3: Cross multiply
    6,475,998.90x = 9,713,998.35 × 1,987,691.70
  4. Step 4: Simplify right side
    6,475,998.90x = 19,308,433,894,108.70
  5. Step 5: Solve for x
    x = 19,308,433,894,108.70/6,475,998.90
  6. Step 6: Final answer
    x = 2,981,537.55

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Similar ratio
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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.