Home / 3,131,113.20-4,697,107.20-1,333,982.40

Finding the Fourth Proportional to 3,131,113.20, 4,697,107.20 and 1,333,982.40

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Solution

The fourth proportional to 3,131,113.20, 4,697,107.20 and 1,333,982.40 is: 2,001,159.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,113.20 : 4,697,107.20 = 1,333,982.40 : x
  2. Step 2: Convert to fraction form
    3,131,113.20/4,697,107.20 = 1,333,982.40/x
  3. Step 3: Cross multiply
    3,131,113.20x = 4,697,107.20 × 1,333,982.40
  4. Step 4: Simplify right side
    3,131,113.20x = 6,265,858,335,713.28
  5. Step 5: Solve for x
    x = 6,265,858,335,713.28/3,131,113.20
  6. Step 6: Final answer
    x = 2,001,159.95

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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.