Home / 2,947,445.26-4,419,955.10-1,126,482.78

Finding the Fourth Proportional to 2,947,445.26, 4,419,955.10 and 1,126,482.78

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Solution

The fourth proportional to 2,947,445.26, 4,419,955.10 and 1,126,482.78 is: 1,689,260.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,445.26 : 4,419,955.10 = 1,126,482.78 : x
  2. Step 2: Convert to fraction form
    2,947,445.26/4,419,955.10 = 1,126,482.78/x
  3. Step 3: Cross multiply
    2,947,445.26x = 4,419,955.10 × 1,126,482.78
  4. Step 4: Simplify right side
    2,947,445.26x = 4,979,003,308,523.18
  5. Step 5: Solve for x
    x = 4,979,003,308,523.18/2,947,445.26
  6. Step 6: Final answer
    x = 1,689,260.65

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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.