Home / 3,117,329.45-4,304,885.52-2,947,498.94

Finding the Fourth Proportional to 3,117,329.45, 4,304,885.52 and 2,947,498.94

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Solution

The fourth proportional to 3,117,329.45, 4,304,885.52 and 2,947,498.94 is: 4,070,357.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,329.45 : 4,304,885.52 = 2,947,498.94 : x
  2. Step 2: Convert to fraction form
    3,117,329.45/4,304,885.52 = 2,947,498.94/x
  3. Step 3: Cross multiply
    3,117,329.45x = 4,304,885.52 × 2,947,498.94
  4. Step 4: Simplify right side
    3,117,329.45x = 12,688,645,485,496.92
  5. Step 5: Solve for x
    x = 12,688,645,485,496.92/3,117,329.45
  6. Step 6: Final answer
    x = 4,070,357.56

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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.