Home / 5,148,144.90-7,104,420.54-2,825,076.38

Finding the Fourth Proportional to 5,148,144.90, 7,104,420.54 and 2,825,076.38

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Solution

The fourth proportional to 5,148,144.90, 7,104,420.54 and 2,825,076.38 is: 3,898,594.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148,144.90 : 7,104,420.54 = 2,825,076.38 : x
  2. Step 2: Convert to fraction form
    5,148,144.90/7,104,420.54 = 2,825,076.38/x
  3. Step 3: Cross multiply
    5,148,144.90x = 7,104,420.54 × 2,825,076.38
  4. Step 4: Simplify right side
    5,148,144.90x = 20,070,530,625,618.74
  5. Step 5: Solve for x
    x = 20,070,530,625,618.74/5,148,144.90
  6. Step 6: Final answer
    x = 3,898,594.74

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1.5x scale

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.