Home / 2,481,987.60-3,719,044.80-1,639,555.20

Finding the Fourth Proportional to 2,481,987.60, 3,719,044.80 and 1,639,555.20

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Solution

The fourth proportional to 2,481,987.60, 3,719,044.80 and 1,639,555.20 is: 2,456,732.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481,987.60 : 3,719,044.80 = 1,639,555.20 : x
  2. Step 2: Convert to fraction form
    2,481,987.60/3,719,044.80 = 1,639,555.20/x
  3. Step 3: Cross multiply
    2,481,987.60x = 3,719,044.80 × 1,639,555.20
  4. Step 4: Simplify right side
    2,481,987.60x = 6,097,579,240,872.96
  5. Step 5: Solve for x
    x = 6,097,579,240,872.96/2,481,987.60
  6. Step 6: Final answer
    x = 2,456,732.35

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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.