Home / 5,375,167.30-7,417,741.20-2,927,770.78

Finding the Fourth Proportional to 5,375,167.30, 7,417,741.20 and 2,927,770.78

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Solution

The fourth proportional to 5,375,167.30, 7,417,741.20 and 2,927,770.78 is: 4,040,329.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375,167.30 : 7,417,741.20 = 2,927,770.78 : x
  2. Step 2: Convert to fraction form
    5,375,167.30/7,417,741.20 = 2,927,770.78/x
  3. Step 3: Cross multiply
    5,375,167.30x = 7,417,741.20 × 2,927,770.78
  4. Step 4: Simplify right side
    5,375,167.30x = 21,717,445,938,962.14
  5. Step 5: Solve for x
    x = 21,717,445,938,962.14/5,375,167.30
  6. Step 6: Final answer
    x = 4,040,329.30

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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.