Home / 3,114,139.60-4,665,679.80-1,930,805.20

Finding the Fourth Proportional to 3,114,139.60, 4,665,679.80 and 1,930,805.20

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Solution

The fourth proportional to 3,114,139.60, 4,665,679.80 and 1,930,805.20 is: 2,892,779.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114,139.60 : 4,665,679.80 = 1,930,805.20 : x
  2. Step 2: Convert to fraction form
    3,114,139.60/4,665,679.80 = 1,930,805.20/x
  3. Step 3: Cross multiply
    3,114,139.60x = 4,665,679.80 × 1,930,805.20
  4. Step 4: Simplify right side
    3,114,139.60x = 9,008,518,819,374.96
  5. Step 5: Solve for x
    x = 9,008,518,819,374.96/3,114,139.60
  6. Step 6: Final answer
    x = 2,892,779.38

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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.