Home / 1,661,210.10-2,491,815.15-1,645,463.70

Finding the Fourth Proportional to 1,661,210.10, 2,491,815.15 and 1,645,463.70

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Solution

The fourth proportional to 1,661,210.10, 2,491,815.15 and 1,645,463.70 is: 2,468,195.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,210.10 : 2,491,815.15 = 1,645,463.70 : x
  2. Step 2: Convert to fraction form
    1,661,210.10/2,491,815.15 = 1,645,463.70/x
  3. Step 3: Cross multiply
    1,661,210.10x = 2,491,815.15 × 1,645,463.70
  4. Step 4: Simplify right side
    1,661,210.10x = 4,100,191,376,435.06
  5. Step 5: Solve for x
    x = 4,100,191,376,435.06/1,661,210.10
  6. Step 6: Final answer
    x = 2,468,195.55

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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.