Home / 2,378,769.43-3,281,897.78-1,359,448.15

Finding the Fourth Proportional to 2,378,769.43, 3,281,897.78 and 1,359,448.15

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Solution

The fourth proportional to 2,378,769.43, 3,281,897.78 and 1,359,448.15 is: 1,875,578.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,769.43 : 3,281,897.78 = 1,359,448.15 : x
  2. Step 2: Convert to fraction form
    2,378,769.43/3,281,897.78 = 1,359,448.15/x
  3. Step 3: Cross multiply
    2,378,769.43x = 3,281,897.78 × 1,359,448.15
  4. Step 4: Simplify right side
    2,378,769.43x = 4,461,569,858,712.87
  5. Step 5: Solve for x
    x = 4,461,569,858,712.87/2,378,769.43
  6. Step 6: Final answer
    x = 1,875,578.95

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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.