Home / 3,127,209.12-4,315,556.88-1,696,425.12

Finding the Fourth Proportional to 3,127,209.12, 4,315,556.88 and 1,696,425.12

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Solution

The fourth proportional to 3,127,209.12, 4,315,556.88 and 1,696,425.12 is: 2,341,071.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127,209.12 : 4,315,556.88 = 1,696,425.12 : x
  2. Step 2: Convert to fraction form
    3,127,209.12/4,315,556.88 = 1,696,425.12/x
  3. Step 3: Cross multiply
    3,127,209.12x = 4,315,556.88 × 1,696,425.12
  4. Step 4: Simplify right side
    3,127,209.12x = 7,321,019,098,020.83
  5. Step 5: Solve for x
    x = 7,321,019,098,020.83/3,127,209.12
  6. Step 6: Final answer
    x = 2,341,071.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.