Home / 3,939,346.80-5,909,020.20-3,886,202.70

Finding the Fourth Proportional to 3,939,346.80, 5,909,020.20 and 3,886,202.70

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Solution

The fourth proportional to 3,939,346.80, 5,909,020.20 and 3,886,202.70 is: 5,829,304.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,346.80 : 5,909,020.20 = 3,886,202.70 : x
  2. Step 2: Convert to fraction form
    3,939,346.80/5,909,020.20 = 3,886,202.70/x
  3. Step 3: Cross multiply
    3,939,346.80x = 5,909,020.20 × 3,886,202.70
  4. Step 4: Simplify right side
    3,939,346.80x = 22,963,650,255,594.54
  5. Step 5: Solve for x
    x = 22,963,650,255,594.54/3,939,346.80
  6. Step 6: Final answer
    x = 5,829,304.05

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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.