Home / 2,059,862.40-3,090,085.20-639,770.40

Finding the Fourth Proportional to 2,059,862.40, 3,090,085.20 and 639,770.40

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Solution

The fourth proportional to 2,059,862.40, 3,090,085.20 and 639,770.40 is: 959,746.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,059,862.40 : 3,090,085.20 = 639,770.40 : x
  2. Step 2: Convert to fraction form
    2,059,862.40/3,090,085.20 = 639,770.40/x
  3. Step 3: Cross multiply
    2,059,862.40x = 3,090,085.20 × 639,770.40
  4. Step 4: Simplify right side
    2,059,862.40x = 1,976,945,044,438.08
  5. Step 5: Solve for x
    x = 1,976,945,044,438.08/2,059,862.40
  6. Step 6: Final answer
    x = 959,746.17

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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.