Home / 1,645,609.40-2,468,414.10-1,012,470.20

Finding the Fourth Proportional to 1,645,609.40, 2,468,414.10 and 1,012,470.20

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Solution

The fourth proportional to 1,645,609.40, 2,468,414.10 and 1,012,470.20 is: 1,518,705.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,609.40 : 2,468,414.10 = 1,012,470.20 : x
  2. Step 2: Convert to fraction form
    1,645,609.40/2,468,414.10 = 1,012,470.20/x
  3. Step 3: Cross multiply
    1,645,609.40x = 2,468,414.10 × 1,012,470.20
  4. Step 4: Simplify right side
    1,645,609.40x = 2,499,195,717,509.82
  5. Step 5: Solve for x
    x = 2,499,195,717,509.82/1,645,609.40
  6. Step 6: Final answer
    x = 1,518,705.30

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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.