Home / 1,531,031.85-2,290,931.01-1,277,686.92

Finding the Fourth Proportional to 1,531,031.85, 2,290,931.01 and 1,277,686.92

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Solution

The fourth proportional to 1,531,031.85, 2,290,931.01 and 1,277,686.92 is: 1,911,843.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,031.85 : 2,290,931.01 = 1,277,686.92 : x
  2. Step 2: Convert to fraction form
    1,531,031.85/2,290,931.01 = 1,277,686.92/x
  3. Step 3: Cross multiply
    1,531,031.85x = 2,290,931.01 × 1,277,686.92
  4. Step 4: Simplify right side
    1,531,031.85x = 2,927,092,586,099.39
  5. Step 5: Solve for x
    x = 2,927,092,586,099.39/1,531,031.85
  6. Step 6: Final answer
    x = 1,911,843.04

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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.