Home / 2,409,799.56-3,612,402.06-811,540.20

Finding the Fourth Proportional to 2,409,799.56, 3,612,402.06 and 811,540.20

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Solution

The fourth proportional to 2,409,799.56, 3,612,402.06 and 811,540.20 is: 1,216,536.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409,799.56 : 3,612,402.06 = 811,540.20 : x
  2. Step 2: Convert to fraction form
    2,409,799.56/3,612,402.06 = 811,540.20/x
  3. Step 3: Cross multiply
    2,409,799.56x = 3,612,402.06 × 811,540.20
  4. Step 4: Simplify right side
    2,409,799.56x = 2,931,609,490,252.81
  5. Step 5: Solve for x
    x = 2,931,609,490,252.81/2,409,799.56
  6. Step 6: Final answer
    x = 1,216,536.65

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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.