Home / 1,985,241.17-2,976,410.14-636,636.13

Finding the Fourth Proportional to 1,985,241.17, 2,976,410.14 and 636,636.13

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Solution

The fourth proportional to 1,985,241.17, 2,976,410.14 and 636,636.13 is: 954,488.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,241.17 : 2,976,410.14 = 636,636.13 : x
  2. Step 2: Convert to fraction form
    1,985,241.17/2,976,410.14 = 636,636.13/x
  3. Step 3: Cross multiply
    1,985,241.17x = 2,976,410.14 × 636,636.13
  4. Step 4: Simplify right side
    1,985,241.17x = 1,894,890,223,789.74
  5. Step 5: Solve for x
    x = 1,894,890,223,789.74/1,985,241.17
  6. Step 6: Final answer
    x = 954,488.68

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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.