Home / 3,159,122.41-4,359,213.15-1,782,386.78

Finding the Fourth Proportional to 3,159,122.41, 4,359,213.15 and 1,782,386.78

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Solution

The fourth proportional to 3,159,122.41, 4,359,213.15 and 1,782,386.78 is: 2,459,481.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159,122.41 : 4,359,213.15 = 1,782,386.78 : x
  2. Step 2: Convert to fraction form
    3,159,122.41/4,359,213.15 = 1,782,386.78/x
  3. Step 3: Cross multiply
    3,159,122.41x = 4,359,213.15 × 1,782,386.78
  4. Step 4: Simplify right side
    3,159,122.41x = 7,769,803,861,282.14
  5. Step 5: Solve for x
    x = 7,769,803,861,282.14/3,159,122.41
  6. Step 6: Final answer
    x = 2,459,481.73

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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.