Home / 4,138,989.87-5,711,750.23-2,303,447.67

Finding the Fourth Proportional to 4,138,989.87, 5,711,750.23 and 2,303,447.67

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Solution

The fourth proportional to 4,138,989.87, 5,711,750.23 and 2,303,447.67 is: 3,178,726.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138,989.87 : 5,711,750.23 = 2,303,447.67 : x
  2. Step 2: Convert to fraction form
    4,138,989.87/5,711,750.23 = 2,303,447.67/x
  3. Step 3: Cross multiply
    4,138,989.87x = 5,711,750.23 × 2,303,447.67
  4. Step 4: Simplify right side
    4,138,989.87x = 13,156,717,756,851.59
  5. Step 5: Solve for x
    x = 13,156,717,756,851.59/4,138,989.87
  6. Step 6: Final answer
    x = 3,178,726.73

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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.