Home / 2,378,768.43-3,281,896.40-1,359,447.15

Finding the Fourth Proportional to 2,378,768.43, 3,281,896.40 and 1,359,447.15

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Solution

The fourth proportional to 2,378,768.43, 3,281,896.40 and 1,359,447.15 is: 1,875,577.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,768.43 : 3,281,896.40 = 1,359,447.15 : x
  2. Step 2: Convert to fraction form
    2,378,768.43/3,281,896.40 = 1,359,447.15/x
  3. Step 3: Cross multiply
    2,378,768.43x = 3,281,896.40 × 1,359,447.15
  4. Step 4: Simplify right side
    2,378,768.43x = 4,461,564,700,778.02
  5. Step 5: Solve for x
    x = 4,461,564,700,778.02/2,378,768.43
  6. Step 6: Final answer
    x = 1,875,577.57

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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.