Home / 1,988,875.35-2,744,575.21-1,215,800.93

Finding the Fourth Proportional to 1,988,875.35, 2,744,575.21 and 1,215,800.93

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Solution

The fourth proportional to 1,988,875.35, 2,744,575.21 and 1,215,800.93 is: 1,677,760.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,875.35 : 2,744,575.21 = 1,215,800.93 : x
  2. Step 2: Convert to fraction form
    1,988,875.35/2,744,575.21 = 1,215,800.93/x
  3. Step 3: Cross multiply
    1,988,875.35x = 2,744,575.21 × 1,215,800.93
  4. Step 4: Simplify right side
    1,988,875.35x = 3,336,857,092,772.95
  5. Step 5: Solve for x
    x = 3,336,857,092,772.95/1,988,875.35
  6. Step 6: Final answer
    x = 1,677,760.80

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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.