Home / 1,720,301.80-2,581,619.10-1,119,800.20

Finding the Fourth Proportional to 1,720,301.80, 2,581,619.10 and 1,119,800.20

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Solution

The fourth proportional to 1,720,301.80, 2,581,619.10 and 1,119,800.20 is: 1,680,459.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,301.80 : 2,581,619.10 = 1,119,800.20 : x
  2. Step 2: Convert to fraction form
    1,720,301.80/2,581,619.10 = 1,119,800.20/x
  3. Step 3: Cross multiply
    1,720,301.80x = 2,581,619.10 × 1,119,800.20
  4. Step 4: Simplify right side
    1,720,301.80x = 2,890,897,584,503.82
  5. Step 5: Solve for x
    x = 2,890,897,584,503.82/1,720,301.80
  6. Step 6: Final answer
    x = 1,680,459.55

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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.