Home / 2,663,789.40-3,991,091.40-1,240,927.20

Finding the Fourth Proportional to 2,663,789.40, 3,991,091.40 and 1,240,927.20

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Solution

The fourth proportional to 2,663,789.40, 3,991,091.40 and 1,240,927.20 is: 1,859,251.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,663,789.40 : 3,991,091.40 = 1,240,927.20 : x
  2. Step 2: Convert to fraction form
    2,663,789.40/3,991,091.40 = 1,240,927.20/x
  3. Step 3: Cross multiply
    2,663,789.40x = 3,991,091.40 × 1,240,927.20
  4. Step 4: Simplify right side
    2,663,789.40x = 4,952,653,875,946.08
  5. Step 5: Solve for x
    x = 4,952,653,875,946.08/2,663,789.40
  6. Step 6: Final answer
    x = 1,859,251.29

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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.