Home / 2,130,275.13-3,195,478.30-931,580.43

Finding the Fourth Proportional to 2,130,275.13, 3,195,478.30 and 931,580.43

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Solution

The fourth proportional to 2,130,275.13, 3,195,478.30 and 931,580.43 is: 1,397,399.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,275.13 : 3,195,478.30 = 931,580.43 : x
  2. Step 2: Convert to fraction form
    2,130,275.13/3,195,478.30 = 931,580.43/x
  3. Step 3: Cross multiply
    2,130,275.13x = 3,195,478.30 × 931,580.43
  4. Step 4: Simplify right side
    2,130,275.13x = 2,976,845,036,204.39
  5. Step 5: Solve for x
    x = 2,976,845,036,204.39/2,130,275.13
  6. Step 6: Final answer
    x = 1,397,399.33

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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.