Home / 2,103,108.70-3,154,663.05-1,301,791.90

Finding the Fourth Proportional to 2,103,108.70, 3,154,663.05 and 1,301,791.90

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Solution

The fourth proportional to 2,103,108.70, 3,154,663.05 and 1,301,791.90 is: 1,952,687.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,108.70 : 3,154,663.05 = 1,301,791.90 : x
  2. Step 2: Convert to fraction form
    2,103,108.70/3,154,663.05 = 1,301,791.90/x
  3. Step 3: Cross multiply
    2,103,108.70x = 3,154,663.05 × 1,301,791.90
  4. Step 4: Simplify right side
    2,103,108.70x = 4,106,714,805,719.29
  5. Step 5: Solve for x
    x = 4,106,714,805,719.29/2,103,108.70
  6. Step 6: Final answer
    x = 1,952,687.85

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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.