Home / 2,137,661.60-3,202,345.20-1,189,335.20

Finding the Fourth Proportional to 2,137,661.60, 3,202,345.20 and 1,189,335.20

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Solution

The fourth proportional to 2,137,661.60, 3,202,345.20 and 1,189,335.20 is: 1,781,695.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137,661.60 : 3,202,345.20 = 1,189,335.20 : x
  2. Step 2: Convert to fraction form
    2,137,661.60/3,202,345.20 = 1,189,335.20/x
  3. Step 3: Cross multiply
    2,137,661.60x = 3,202,345.20 × 1,189,335.20
  4. Step 4: Simplify right side
    2,137,661.60x = 3,808,661,868,911.04
  5. Step 5: Solve for x
    x = 3,808,661,868,911.04/2,137,661.60
  6. Step 6: Final answer
    x = 1,781,695.41

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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.