Home / 1,965,223.20-2,947,505.04-545,423.52

Finding the Fourth Proportional to 1,965,223.20, 2,947,505.04 and 545,423.52

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Solution

The fourth proportional to 1,965,223.20, 2,947,505.04 and 545,423.52 is: 818,043.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,223.20 : 2,947,505.04 = 545,423.52 : x
  2. Step 2: Convert to fraction form
    1,965,223.20/2,947,505.04 = 545,423.52/x
  3. Step 3: Cross multiply
    1,965,223.20x = 2,947,505.04 × 545,423.52
  4. Step 4: Simplify right side
    1,965,223.20x = 1,607,638,574,134.54
  5. Step 5: Solve for x
    x = 1,607,638,574,134.54/1,965,223.20
  6. Step 6: Final answer
    x = 818,043.76

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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.