Home / 1,518,901.80-2,278,352.70-1,465,757.70

Finding the Fourth Proportional to 1,518,901.80, 2,278,352.70 and 1,465,757.70

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Solution

The fourth proportional to 1,518,901.80, 2,278,352.70 and 1,465,757.70 is: 2,198,636.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,901.80 : 2,278,352.70 = 1,465,757.70 : x
  2. Step 2: Convert to fraction form
    1,518,901.80/2,278,352.70 = 1,465,757.70/x
  3. Step 3: Cross multiply
    1,518,901.80x = 2,278,352.70 × 1,465,757.70
  4. Step 4: Simplify right side
    1,518,901.80x = 3,339,513,013,340.79
  5. Step 5: Solve for x
    x = 3,339,513,013,340.79/1,518,901.80
  6. Step 6: Final answer
    x = 2,198,636.55

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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.