Home / 2,979,178.66-4,465,268.78-1,378,360.27

Finding the Fourth Proportional to 2,979,178.66, 4,465,268.78 and 1,378,360.27

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Solution

The fourth proportional to 2,979,178.66, 4,465,268.78 and 1,378,360.27 is: 2,065,921.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,178.66 : 4,465,268.78 = 1,378,360.27 : x
  2. Step 2: Convert to fraction form
    2,979,178.66/4,465,268.78 = 1,378,360.27/x
  3. Step 3: Cross multiply
    2,979,178.66x = 4,465,268.78 × 1,378,360.27
  4. Step 4: Simplify right side
    2,979,178.66x = 6,154,749,081,223.37
  5. Step 5: Solve for x
    x = 6,154,749,081,223.37/2,979,178.66
  6. Step 6: Final answer
    x = 2,065,921.44

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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.