Home / 5,173,646.72-7,761,672.05-1,761,962.76

Finding the Fourth Proportional to 5,173,646.72, 7,761,672.05 and 1,761,962.76

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Solution

The fourth proportional to 5,173,646.72, 7,761,672.05 and 1,761,962.76 is: 2,643,353.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173,646.72 : 7,761,672.05 = 1,761,962.76 : x
  2. Step 2: Convert to fraction form
    5,173,646.72/7,761,672.05 = 1,761,962.76/x
  3. Step 3: Cross multiply
    5,173,646.72x = 7,761,672.05 × 1,761,962.76
  4. Step 4: Simplify right side
    5,173,646.72x = 13,675,777,098,623.04
  5. Step 5: Solve for x
    x = 13,675,777,098,623.04/5,173,646.72
  6. Step 6: Final answer
    x = 2,643,353.49

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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.