Home / 2,928,582.20-4,395,706.94-1,413,331.78

Finding the Fourth Proportional to 2,928,582.20, 4,395,706.94 and 1,413,331.78

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Solution

The fourth proportional to 2,928,582.20, 4,395,706.94 and 1,413,331.78 is: 2,121,365.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928,582.20 : 4,395,706.94 = 1,413,331.78 : x
  2. Step 2: Convert to fraction form
    2,928,582.20/4,395,706.94 = 1,413,331.78/x
  3. Step 3: Cross multiply
    2,928,582.20x = 4,395,706.94 × 1,413,331.78
  4. Step 4: Simplify right side
    2,928,582.20x = 6,212,592,313,868.55
  5. Step 5: Solve for x
    x = 6,212,592,313,868.55/2,928,582.20
  6. Step 6: Final answer
    x = 2,121,365.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.