Home / 2,187,008.30-3,280,512.45-2,113,525.10

Finding the Fourth Proportional to 2,187,008.30, 3,280,512.45 and 2,113,525.10

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Solution

The fourth proportional to 2,187,008.30, 3,280,512.45 and 2,113,525.10 is: 3,170,287.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,008.30 : 3,280,512.45 = 2,113,525.10 : x
  2. Step 2: Convert to fraction form
    2,187,008.30/3,280,512.45 = 2,113,525.10/x
  3. Step 3: Cross multiply
    2,187,008.30x = 3,280,512.45 × 2,113,525.10
  4. Step 4: Simplify right side
    2,187,008.30x = 6,933,445,403,937.50
  5. Step 5: Solve for x
    x = 6,933,445,403,937.50/2,187,008.30
  6. Step 6: Final answer
    x = 3,170,287.65

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1.5x scale

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.