Home / 1,628,452.90-2,442,679.35-1,387,008.10

Finding the Fourth Proportional to 1,628,452.90, 2,442,679.35 and 1,387,008.10

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Solution

The fourth proportional to 1,628,452.90, 2,442,679.35 and 1,387,008.10 is: 2,080,512.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,452.90 : 2,442,679.35 = 1,387,008.10 : x
  2. Step 2: Convert to fraction form
    1,628,452.90/2,442,679.35 = 1,387,008.10/x
  3. Step 3: Cross multiply
    1,628,452.90x = 2,442,679.35 × 1,387,008.10
  4. Step 4: Simplify right side
    1,628,452.90x = 3,388,016,044,152.74
  5. Step 5: Solve for x
    x = 3,388,016,044,152.74/1,628,452.90
  6. Step 6: Final answer
    x = 2,080,512.15

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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.