Home / 2,065,900.80-3,098,851.20-1,587,603.90

Finding the Fourth Proportional to 2,065,900.80, 3,098,851.20 and 1,587,603.90

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Solution

The fourth proportional to 2,065,900.80, 3,098,851.20 and 1,587,603.90 is: 2,381,405.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065,900.80 : 3,098,851.20 = 1,587,603.90 : x
  2. Step 2: Convert to fraction form
    2,065,900.80/3,098,851.20 = 1,587,603.90/x
  3. Step 3: Cross multiply
    2,065,900.80x = 3,098,851.20 × 1,587,603.90
  4. Step 4: Simplify right side
    2,065,900.80x = 4,919,748,250,639.68
  5. Step 5: Solve for x
    x = 4,919,748,250,639.68/2,065,900.80
  6. Step 6: Final answer
    x = 2,381,405.85

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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.