Home / 2,612,353.80-3,913,281.90-1,489,110.60

Finding the Fourth Proportional to 2,612,353.80, 3,913,281.90 and 1,489,110.60

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Solution

The fourth proportional to 2,612,353.80, 3,913,281.90 and 1,489,110.60 is: 2,230,673.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612,353.80 : 3,913,281.90 = 1,489,110.60 : x
  2. Step 2: Convert to fraction form
    2,612,353.80/3,913,281.90 = 1,489,110.60/x
  3. Step 3: Cross multiply
    2,612,353.80x = 3,913,281.90 × 1,489,110.60
  4. Step 4: Simplify right side
    2,612,353.80x = 5,827,309,558,078.14
  5. Step 5: Solve for x
    x = 5,827,309,558,078.14/2,612,353.80
  6. Step 6: Final answer
    x = 2,230,673.95

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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.