Home / 5,377,281.30-7,420,554.38-2,929,912.61

Finding the Fourth Proportional to 5,377,281.30, 7,420,554.38 and 2,929,912.61

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Solution

The fourth proportional to 5,377,281.30, 7,420,554.38 and 2,929,912.61 is: 4,043,228.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377,281.30 : 7,420,554.38 = 2,929,912.61 : x
  2. Step 2: Convert to fraction form
    5,377,281.30/7,420,554.38 = 2,929,912.61/x
  3. Step 3: Cross multiply
    5,377,281.30x = 7,420,554.38 × 2,929,912.61
  4. Step 4: Simplify right side
    5,377,281.30x = 21,741,575,821,374.74
  5. Step 5: Solve for x
    x = 21,741,575,821,374.74/5,377,281.30
  6. Step 6: Final answer
    x = 4,043,228.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.