Home / 2,915,554.05-4,023,437.13-1,608,818.31

Finding the Fourth Proportional to 2,915,554.05, 4,023,437.13 and 1,608,818.31

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Solution

The fourth proportional to 2,915,554.05, 4,023,437.13 and 1,608,818.31 is: 2,220,154.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915,554.05 : 4,023,437.13 = 1,608,818.31 : x
  2. Step 2: Convert to fraction form
    2,915,554.05/4,023,437.13 = 1,608,818.31/x
  3. Step 3: Cross multiply
    2,915,554.05x = 4,023,437.13 × 1,608,818.31
  4. Step 4: Simplify right side
    2,915,554.05x = 6,472,979,323,877.85
  5. Step 5: Solve for x
    x = 6,472,979,323,877.85/2,915,554.05
  6. Step 6: Final answer
    x = 2,220,154.12

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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.