Home / 1,819,681.80-2,731,769.10-1,145,761.80

Finding the Fourth Proportional to 1,819,681.80, 2,731,769.10 and 1,145,761.80

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Solution

The fourth proportional to 1,819,681.80, 2,731,769.10 and 1,145,761.80 is: 1,720,057.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,681.80 : 2,731,769.10 = 1,145,761.80 : x
  2. Step 2: Convert to fraction form
    1,819,681.80/2,731,769.10 = 1,145,761.80/x
  3. Step 3: Cross multiply
    1,819,681.80x = 2,731,769.10 × 1,145,761.80
  4. Step 4: Simplify right side
    1,819,681.80x = 3,129,956,681,200.38
  5. Step 5: Solve for x
    x = 3,129,956,681,200.38/1,819,681.80
  6. Step 6: Final answer
    x = 1,720,057.14

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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.