Home / 2,148,264.28-2,963,765.64-1,230,002.68

Finding the Fourth Proportional to 2,148,264.28, 2,963,765.64 and 1,230,002.68

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Solution

The fourth proportional to 2,148,264.28, 2,963,765.64 and 1,230,002.68 is: 1,696,923.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,264.28 : 2,963,765.64 = 1,230,002.68 : x
  2. Step 2: Convert to fraction form
    2,148,264.28/2,963,765.64 = 1,230,002.68/x
  3. Step 3: Cross multiply
    2,148,264.28x = 2,963,765.64 × 1,230,002.68
  4. Step 4: Simplify right side
    2,148,264.28x = 3,645,439,680,091.92
  5. Step 5: Solve for x
    x = 3,645,439,680,091.92/2,148,264.28
  6. Step 6: Final answer
    x = 1,696,923.29

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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.