Home / 2,209,765.43-3,314,719.43-612,343.91

Finding the Fourth Proportional to 2,209,765.43, 3,314,719.43 and 612,343.91

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Solution

The fourth proportional to 2,209,765.43, 3,314,719.43 and 612,343.91 is: 918,535.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,765.43 : 3,314,719.43 = 612,343.91 : x
  2. Step 2: Convert to fraction form
    2,209,765.43/3,314,719.43 = 612,343.91/x
  3. Step 3: Cross multiply
    2,209,765.43x = 3,314,719.43 × 612,343.91
  4. Step 4: Simplify right side
    2,209,765.43x = 2,029,748,256,319.17
  5. Step 5: Solve for x
    x = 2,029,748,256,319.17/2,209,765.43
  6. Step 6: Final answer
    x = 918,535.62

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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.