Home / 2,804,702.31-3,870,489.10-1,515,542.66

Finding the Fourth Proportional to 2,804,702.31, 3,870,489.10 and 1,515,542.66

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Solution

The fourth proportional to 2,804,702.31, 3,870,489.10 and 1,515,542.66 is: 2,091,448.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,804,702.31 : 3,870,489.10 = 1,515,542.66 : x
  2. Step 2: Convert to fraction form
    2,804,702.31/3,870,489.10 = 1,515,542.66/x
  3. Step 3: Cross multiply
    2,804,702.31x = 3,870,489.10 × 1,515,542.66
  4. Step 4: Simplify right side
    2,804,702.31x = 5,865,891,346,115.01
  5. Step 5: Solve for x
    x = 5,865,891,346,115.01/2,804,702.31
  6. Step 6: Final answer
    x = 2,091,448.82

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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.