Home / 2,084,679.70-3,127,019.55-1,421,127.70

Finding the Fourth Proportional to 2,084,679.70, 3,127,019.55 and 1,421,127.70

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Solution

The fourth proportional to 2,084,679.70, 3,127,019.55 and 1,421,127.70 is: 2,131,691.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084,679.70 : 3,127,019.55 = 1,421,127.70 : x
  2. Step 2: Convert to fraction form
    2,084,679.70/3,127,019.55 = 1,421,127.70/x
  3. Step 3: Cross multiply
    2,084,679.70x = 3,127,019.55 × 1,421,127.70
  4. Step 4: Simplify right side
    2,084,679.70x = 4,443,894,100,946.53
  5. Step 5: Solve for x
    x = 4,443,894,100,946.53/2,084,679.70
  6. Step 6: Final answer
    x = 2,131,691.55

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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.