Home / 2,145,260.60-3,215,126.10-1,644,140.60

Finding the Fourth Proportional to 2,145,260.60, 3,215,126.10 and 1,644,140.60

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Solution

The fourth proportional to 2,145,260.60, 3,215,126.10 and 1,644,140.60 is: 2,464,091.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,260.60 : 3,215,126.10 = 1,644,140.60 : x
  2. Step 2: Convert to fraction form
    2,145,260.60/3,215,126.10 = 1,644,140.60/x
  3. Step 3: Cross multiply
    2,145,260.60x = 3,215,126.10 × 1,644,140.60
  4. Step 4: Simplify right side
    2,145,260.60x = 5,286,119,355,129.66
  5. Step 5: Solve for x
    x = 5,286,119,355,129.66/2,145,260.60
  6. Step 6: Final answer
    x = 2,464,091.94

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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.