Home / 3,972,200.40-5,480,911.20-2,595,177.72

Finding the Fourth Proportional to 3,972,200.40, 5,480,911.20 and 2,595,177.72

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Solution

The fourth proportional to 3,972,200.40, 5,480,911.20 and 2,595,177.72 is: 3,580,871.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972,200.40 : 5,480,911.20 = 2,595,177.72 : x
  2. Step 2: Convert to fraction form
    3,972,200.40/5,480,911.20 = 2,595,177.72/x
  3. Step 3: Cross multiply
    3,972,200.40x = 5,480,911.20 × 2,595,177.72
  4. Step 4: Simplify right side
    3,972,200.40x = 14,223,938,631,538.46
  5. Step 5: Solve for x
    x = 14,223,938,631,538.46/3,972,200.40
  6. Step 6: Final answer
    x = 3,580,871.36

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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.