Home / 1,636,149.40-2,455,345.10-571,191.43

Finding the Fourth Proportional to 1,636,149.40, 2,455,345.10 and 571,191.43

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Solution

The fourth proportional to 1,636,149.40, 2,455,345.10 and 571,191.43 is: 857,178.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,149.40 : 2,455,345.10 = 571,191.43 : x
  2. Step 2: Convert to fraction form
    1,636,149.40/2,455,345.10 = 571,191.43/x
  3. Step 3: Cross multiply
    1,636,149.40x = 2,455,345.10 × 571,191.43
  4. Step 4: Simplify right side
    1,636,149.40x = 1,402,472,078,812.49
  5. Step 5: Solve for x
    x = 1,402,472,078,812.49/1,636,149.40
  6. Step 6: Final answer
    x = 857,178.49

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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.