Home / 5,169,905.80-7,754,858.70-1,331,720.80

Finding the Fourth Proportional to 5,169,905.80, 7,754,858.70 and 1,331,720.80

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Solution

The fourth proportional to 5,169,905.80, 7,754,858.70 and 1,331,720.80 is: 1,997,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169,905.80 : 7,754,858.70 = 1,331,720.80 : x
  2. Step 2: Convert to fraction form
    5,169,905.80/7,754,858.70 = 1,331,720.80/x
  3. Step 3: Cross multiply
    5,169,905.80x = 7,754,858.70 × 1,331,720.80
  4. Step 4: Simplify right side
    5,169,905.80x = 10,327,306,631,850.96
  5. Step 5: Solve for x
    x = 10,327,306,631,850.96/5,169,905.80
  6. Step 6: Final answer
    x = 1,997,581.20

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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.