Home / 2,278,492.32-3,144,320.76-1,298,403.60

Finding the Fourth Proportional to 2,278,492.32, 3,144,320.76 and 1,298,403.60

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Solution

The fourth proportional to 2,278,492.32, 3,144,320.76 and 1,298,403.60 is: 1,791,797.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,492.32 : 3,144,320.76 = 1,298,403.60 : x
  2. Step 2: Convert to fraction form
    2,278,492.32/3,144,320.76 = 1,298,403.60/x
  3. Step 3: Cross multiply
    2,278,492.32x = 3,144,320.76 × 1,298,403.60
  4. Step 4: Simplify right side
    2,278,492.32x = 4,082,597,394,338.74
  5. Step 5: Solve for x
    x = 4,082,597,394,338.74/2,278,492.32
  6. Step 6: Final answer
    x = 1,791,797.74

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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.