Home / 2,112,217.40-3,159,110.10-1,889,190.20

Finding the Fourth Proportional to 2,112,217.40, 3,159,110.10 and 1,889,190.20

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Solution

The fourth proportional to 2,112,217.40, 3,159,110.10 and 1,889,190.20 is: 2,825,542.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,217.40 : 3,159,110.10 = 1,889,190.20 : x
  2. Step 2: Convert to fraction form
    2,112,217.40/3,159,110.10 = 1,889,190.20/x
  3. Step 3: Cross multiply
    2,112,217.40x = 3,159,110.10 × 1,889,190.20
  4. Step 4: Simplify right side
    2,112,217.40x = 5,968,159,841,641.02
  5. Step 5: Solve for x
    x = 5,968,159,841,641.02/2,112,217.40
  6. Step 6: Final answer
    x = 2,825,542.41

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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.