Home / 5,215,214.10-7,822,821.15-1,377,029.10

Finding the Fourth Proportional to 5,215,214.10, 7,822,821.15 and 1,377,029.10

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Solution

The fourth proportional to 5,215,214.10, 7,822,821.15 and 1,377,029.10 is: 2,065,543.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215,214.10 : 7,822,821.15 = 1,377,029.10 : x
  2. Step 2: Convert to fraction form
    5,215,214.10/7,822,821.15 = 1,377,029.10/x
  3. Step 3: Cross multiply
    5,215,214.10x = 7,822,821.15 × 1,377,029.10
  4. Step 4: Simplify right side
    5,215,214.10x = 10,772,252,367,645.47
  5. Step 5: Solve for x
    x = 10,772,252,367,645.47/5,215,214.10
  6. Step 6: Final answer
    x = 2,065,543.65

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Double scale
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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.