Home / 2,479,419.60-3,715,192.80-1,636,987.20

Finding the Fourth Proportional to 2,479,419.60, 3,715,192.80 and 1,636,987.20

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Solution

The fourth proportional to 2,479,419.60, 3,715,192.80 and 1,636,987.20 is: 2,452,881.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479,419.60 : 3,715,192.80 = 1,636,987.20 : x
  2. Step 2: Convert to fraction form
    2,479,419.60/3,715,192.80 = 1,636,987.20/x
  3. Step 3: Cross multiply
    2,479,419.60x = 3,715,192.80 × 1,636,987.20
  4. Step 4: Simplify right side
    2,479,419.60x = 6,081,723,059,132.16
  5. Step 5: Solve for x
    x = 6,081,723,059,132.16/2,479,419.60
  6. Step 6: Final answer
    x = 2,452,881.74

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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.