Home / 2,772,044.70-4,158,067.05-878,783.10

Finding the Fourth Proportional to 2,772,044.70, 4,158,067.05 and 878,783.10

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Solution

The fourth proportional to 2,772,044.70, 4,158,067.05 and 878,783.10 is: 1,318,174.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,044.70 : 4,158,067.05 = 878,783.10 : x
  2. Step 2: Convert to fraction form
    2,772,044.70/4,158,067.05 = 878,783.10/x
  3. Step 3: Cross multiply
    2,772,044.70x = 4,158,067.05 × 878,783.10
  4. Step 4: Simplify right side
    2,772,044.70x = 3,654,039,052,206.86
  5. Step 5: Solve for x
    x = 3,654,039,052,206.86/2,772,044.70
  6. Step 6: Final answer
    x = 1,318,174.65

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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.