Home / 5,426,348.80-8,139,523.20-2,591,996.80

Finding the Fourth Proportional to 5,426,348.80, 8,139,523.20 and 2,591,996.80

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Solution

The fourth proportional to 5,426,348.80, 8,139,523.20 and 2,591,996.80 is: 3,887,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426,348.80 : 8,139,523.20 = 2,591,996.80 : x
  2. Step 2: Convert to fraction form
    5,426,348.80/8,139,523.20 = 2,591,996.80/x
  3. Step 3: Cross multiply
    5,426,348.80x = 8,139,523.20 × 2,591,996.80
  4. Step 4: Simplify right side
    5,426,348.80x = 21,097,618,087,925.76
  5. Step 5: Solve for x
    x = 21,097,618,087,925.76/5,426,348.80
  6. Step 6: Final answer
    x = 3,887,995.20

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Similar ratio
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1.5x scale

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.