Home / 2,477,701.23-3,419,251.04-1,389,996.17

Finding the Fourth Proportional to 2,477,701.23, 3,419,251.04 and 1,389,996.17

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Solution

The fourth proportional to 2,477,701.23, 3,419,251.04 and 1,389,996.17 is: 1,918,207.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,477,701.23 : 3,419,251.04 = 1,389,996.17 : x
  2. Step 2: Convert to fraction form
    2,477,701.23/3,419,251.04 = 1,389,996.17/x
  3. Step 3: Cross multiply
    2,477,701.23x = 3,419,251.04 × 1,389,996.17
  4. Step 4: Simplify right side
    2,477,701.23x = 4,752,745,849,868.52
  5. Step 5: Solve for x
    x = 4,752,745,849,868.52/2,477,701.23
  6. Step 6: Final answer
    x = 1,918,207.81

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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.