Home / 2,278,407.25-3,143,055.63-1,503,221.05

Finding the Fourth Proportional to 2,278,407.25, 3,143,055.63 and 1,503,221.05

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Solution

The fourth proportional to 2,278,407.25, 3,143,055.63 and 1,503,221.05 is: 2,073,688.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,407.25 : 3,143,055.63 = 1,503,221.05 : x
  2. Step 2: Convert to fraction form
    2,278,407.25/3,143,055.63 = 1,503,221.05/x
  3. Step 3: Cross multiply
    2,278,407.25x = 3,143,055.63 × 1,503,221.05
  4. Step 4: Simplify right side
    2,278,407.25x = 4,724,707,384,337.01
  5. Step 5: Solve for x
    x = 4,724,707,384,337.01/2,278,407.25
  6. Step 6: Final answer
    x = 2,073,688.71

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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.