Home / 2,901,044.30-4,351,561.65-771,128.42

Finding the Fourth Proportional to 2,901,044.30, 4,351,561.65 and 771,128.42

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Solution

The fourth proportional to 2,901,044.30, 4,351,561.65 and 771,128.42 is: 1,156,691.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901,044.30 : 4,351,561.65 = 771,128.42 : x
  2. Step 2: Convert to fraction form
    2,901,044.30/4,351,561.65 = 771,128.42/x
  3. Step 3: Cross multiply
    2,901,044.30x = 4,351,561.65 × 771,128.42
  4. Step 4: Simplify right side
    2,901,044.30x = 3,355,612,837,939.29
  5. Step 5: Solve for x
    x = 3,355,612,837,939.29/2,901,044.30
  6. Step 6: Final answer
    x = 1,156,691.35

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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.