Home / 2,995,519.40-4,493,279.10-865,818.80

Finding the Fourth Proportional to 2,995,519.40, 4,493,279.10 and 865,818.80

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Solution

The fourth proportional to 2,995,519.40, 4,493,279.10 and 865,818.80 is: 1,298,728.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995,519.40 : 4,493,279.10 = 865,818.80 : x
  2. Step 2: Convert to fraction form
    2,995,519.40/4,493,279.10 = 865,818.80/x
  3. Step 3: Cross multiply
    2,995,519.40x = 4,493,279.10 × 865,818.80
  4. Step 4: Simplify right side
    2,995,519.40x = 3,890,365,518,427.08
  5. Step 5: Solve for x
    x = 3,890,365,518,427.08/2,995,519.40
  6. Step 6: Final answer
    x = 1,298,728.20

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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.