Home / 2,612,402.80-3,913,355.40-1,489,159.60

Finding the Fourth Proportional to 2,612,402.80, 3,913,355.40 and 1,489,159.60

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Solution

The fourth proportional to 2,612,402.80, 3,913,355.40 and 1,489,159.60 is: 2,230,747.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612,402.80 : 3,913,355.40 = 1,489,159.60 : x
  2. Step 2: Convert to fraction form
    2,612,402.80/3,913,355.40 = 1,489,159.60/x
  3. Step 3: Cross multiply
    2,612,402.80x = 3,913,355.40 × 1,489,159.60
  4. Step 4: Simplify right side
    2,612,402.80x = 5,827,610,762,121.84
  5. Step 5: Solve for x
    x = 5,827,610,762,121.84/2,612,402.80
  6. Step 6: Final answer
    x = 2,230,747.40

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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.