Home / 3,864,869.87-5,335,591.07-2,979,886.14

Finding the Fourth Proportional to 3,864,869.87, 5,335,591.07 and 2,979,886.14

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Solution

The fourth proportional to 3,864,869.87, 5,335,591.07 and 2,979,886.14 is: 4,113,839.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864,869.87 : 5,335,591.07 = 2,979,886.14 : x
  2. Step 2: Convert to fraction form
    3,864,869.87/5,335,591.07 = 2,979,886.14/x
  3. Step 3: Cross multiply
    3,864,869.87x = 5,335,591.07 × 2,979,886.14
  4. Step 4: Simplify right side
    3,864,869.87x = 15,899,453,863,301.34
  5. Step 5: Solve for x
    x = 15,899,453,863,301.34/3,864,869.87
  6. Step 6: Final answer
    x = 4,113,839.38

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1.5x scale

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.