Home / 2,130,272.50-3,195,474.36-931,577.80

Finding the Fourth Proportional to 2,130,272.50, 3,195,474.36 and 931,577.80

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Solution

The fourth proportional to 2,130,272.50, 3,195,474.36 and 931,577.80 is: 1,397,395.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,272.50 : 3,195,474.36 = 931,577.80 : x
  2. Step 2: Convert to fraction form
    2,130,272.50/3,195,474.36 = 931,577.80/x
  3. Step 3: Cross multiply
    2,130,272.50x = 3,195,474.36 × 931,577.80
  4. Step 4: Simplify right side
    2,130,272.50x = 2,976,832,981,732.97
  5. Step 5: Solve for x
    x = 2,976,832,981,732.97/2,130,272.50
  6. Step 6: Final answer
    x = 1,397,395.39

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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.