Home / 2,425,781.70-3,638,672.55-742,885.20

Finding the Fourth Proportional to 2,425,781.70, 3,638,672.55 and 742,885.20

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Solution

The fourth proportional to 2,425,781.70, 3,638,672.55 and 742,885.20 is: 1,114,327.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425,781.70 : 3,638,672.55 = 742,885.20 : x
  2. Step 2: Convert to fraction form
    2,425,781.70/3,638,672.55 = 742,885.20/x
  3. Step 3: Cross multiply
    2,425,781.70x = 3,638,672.55 × 742,885.20
  4. Step 4: Simplify right side
    2,425,781.70x = 2,703,115,985,041.26
  5. Step 5: Solve for x
    x = 2,703,115,985,041.26/2,425,781.70
  6. Step 6: Final answer
    x = 1,114,327.80

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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.