Home / 5,390,820.30-8,086,230.45-4,949,921.10

Finding the Fourth Proportional to 5,390,820.30, 8,086,230.45 and 4,949,921.10

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Solution

The fourth proportional to 5,390,820.30, 8,086,230.45 and 4,949,921.10 is: 7,424,881.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,820.30 : 8,086,230.45 = 4,949,921.10 : x
  2. Step 2: Convert to fraction form
    5,390,820.30/8,086,230.45 = 4,949,921.10/x
  3. Step 3: Cross multiply
    5,390,820.30x = 8,086,230.45 × 4,949,921.10
  4. Step 4: Simplify right side
    5,390,820.30x = 40,026,202,723,917.49
  5. Step 5: Solve for x
    x = 40,026,202,723,917.49/5,390,820.30
  6. Step 6: Final answer
    x = 7,424,881.65

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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.