Home / 2,812,400.06-3,880,041.89-2,079,115.16

Finding the Fourth Proportional to 2,812,400.06, 3,880,041.89 and 2,079,115.16

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Solution

The fourth proportional to 2,812,400.06, 3,880,041.89 and 2,079,115.16 is: 2,868,387.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,400.06 : 3,880,041.89 = 2,079,115.16 : x
  2. Step 2: Convert to fraction form
    2,812,400.06/3,880,041.89 = 2,079,115.16/x
  3. Step 3: Cross multiply
    2,812,400.06x = 3,880,041.89 × 2,079,115.16
  4. Step 4: Simplify right side
    2,812,400.06x = 8,067,053,885,138.27
  5. Step 5: Solve for x
    x = 8,067,053,885,138.27/2,812,400.06
  6. Step 6: Final answer
    x = 2,868,387.76

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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.