Home / 3,864,870.87-5,335,592.45-2,979,887.14

Finding the Fourth Proportional to 3,864,870.87, 5,335,592.45 and 2,979,887.14

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Solution

The fourth proportional to 3,864,870.87, 5,335,592.45 and 2,979,887.14 is: 4,113,840.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864,870.87 : 5,335,592.45 = 2,979,887.14 : x
  2. Step 2: Convert to fraction form
    3,864,870.87/5,335,592.45 = 2,979,887.14/x
  3. Step 3: Cross multiply
    3,864,870.87x = 5,335,592.45 × 2,979,887.14
  4. Step 4: Simplify right side
    3,864,870.87x = 15,899,463,326,036.09
  5. Step 5: Solve for x
    x = 15,899,463,326,036.09/3,864,870.87
  6. Step 6: Final answer
    x = 4,113,840.76

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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.