Home / 5,731,719.32-7,909,772.40-3,153,344.78

Finding the Fourth Proportional to 5,731,719.32, 7,909,772.40 and 3,153,344.78

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Solution

The fourth proportional to 5,731,719.32, 7,909,772.40 and 3,153,344.78 is: 4,351,615.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,731,719.32 : 7,909,772.40 = 3,153,344.78 : x
  2. Step 2: Convert to fraction form
    5,731,719.32/7,909,772.40 = 3,153,344.78/x
  3. Step 3: Cross multiply
    5,731,719.32x = 7,909,772.40 × 3,153,344.78
  4. Step 4: Simplify right side
    5,731,719.32x = 24,942,239,508,528.07
  5. Step 5: Solve for x
    x = 24,942,239,508,528.07/5,731,719.32
  6. Step 6: Final answer
    x = 4,351,615.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.