Home / 2,138,261.28-3,208,445.70-1,001,100.42

Finding the Fourth Proportional to 2,138,261.28, 3,208,445.70 and 1,001,100.42

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Solution

The fourth proportional to 2,138,261.28, 3,208,445.70 and 1,001,100.42 is: 1,502,143.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,261.28 : 3,208,445.70 = 1,001,100.42 : x
  2. Step 2: Convert to fraction form
    2,138,261.28/3,208,445.70 = 1,001,100.42/x
  3. Step 3: Cross multiply
    2,138,261.28x = 3,208,445.70 × 1,001,100.42
  4. Step 4: Simplify right side
    2,138,261.28x = 3,211,976,337,817.19
  5. Step 5: Solve for x
    x = 3,211,976,337,817.19/2,138,261.28
  6. Step 6: Final answer
    x = 1,502,143.99

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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.