Home / 2,806,820.76-4,209,587.31-785,207.17

Finding the Fourth Proportional to 2,806,820.76, 4,209,587.31 and 785,207.17

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Solution

The fourth proportional to 2,806,820.76, 4,209,587.31 and 785,207.17 is: 1,177,630.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,806,820.76 : 4,209,587.31 = 785,207.17 : x
  2. Step 2: Convert to fraction form
    2,806,820.76/4,209,587.31 = 785,207.17/x
  3. Step 3: Cross multiply
    2,806,820.76x = 4,209,587.31 × 785,207.17
  4. Step 4: Simplify right side
    2,806,820.76x = 3,305,398,123,080.60
  5. Step 5: Solve for x
    x = 3,305,398,123,080.60/2,806,820.76
  6. Step 6: Final answer
    x = 1,177,630.64

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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.