Home / 5,128,758.90-7,693,138.35-4,892,562.90

Finding the Fourth Proportional to 5,128,758.90, 7,693,138.35 and 4,892,562.90

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Solution

The fourth proportional to 5,128,758.90, 7,693,138.35 and 4,892,562.90 is: 7,338,844.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128,758.90 : 7,693,138.35 = 4,892,562.90 : x
  2. Step 2: Convert to fraction form
    5,128,758.90/7,693,138.35 = 4,892,562.90/x
  3. Step 3: Cross multiply
    5,128,758.90x = 7,693,138.35 × 4,892,562.90
  4. Step 4: Simplify right side
    5,128,758.90x = 37,639,163,275,777.22
  5. Step 5: Solve for x
    x = 37,639,163,275,777.22/5,128,758.90
  6. Step 6: Final answer
    x = 7,338,844.35

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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.