Home / 2,655,479.54-3,983,213.23-1,138,178.63

Finding the Fourth Proportional to 2,655,479.54, 3,983,213.23 and 1,138,178.63

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Solution

The fourth proportional to 2,655,479.54, 3,983,213.23 and 1,138,178.63 is: 1,707,265.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655,479.54 : 3,983,213.23 = 1,138,178.63 : x
  2. Step 2: Convert to fraction form
    2,655,479.54/3,983,213.23 = 1,138,178.63/x
  3. Step 3: Cross multiply
    2,655,479.54x = 3,983,213.23 × 1,138,178.63
  4. Step 4: Simplify right side
    2,655,479.54x = 4,533,608,177,119.27
  5. Step 5: Solve for x
    x = 4,533,608,177,119.27/2,655,479.54
  6. Step 6: Final answer
    x = 1,707,265.34

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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.