Home / 2,266,848.78-3,128,139.03-1,248,063.18

Finding the Fourth Proportional to 2,266,848.78, 3,128,139.03 and 1,248,063.18

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Solution

The fourth proportional to 2,266,848.78, 3,128,139.03 and 1,248,063.18 is: 1,722,265.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266,848.78 : 3,128,139.03 = 1,248,063.18 : x
  2. Step 2: Convert to fraction form
    2,266,848.78/3,128,139.03 = 1,248,063.18/x
  3. Step 3: Cross multiply
    2,266,848.78x = 3,128,139.03 × 1,248,063.18
  4. Step 4: Simplify right side
    2,266,848.78x = 3,904,115,145,263.92
  5. Step 5: Solve for x
    x = 3,904,115,145,263.92/2,266,848.78
  6. Step 6: Final answer
    x = 1,722,265.37

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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.