Home / 2,052,286.40-3,078,429.60-1,296,459.20

Finding the Fourth Proportional to 2,052,286.40, 3,078,429.60 and 1,296,459.20

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Solution

The fourth proportional to 2,052,286.40, 3,078,429.60 and 1,296,459.20 is: 1,944,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,052,286.40 : 3,078,429.60 = 1,296,459.20 : x
  2. Step 2: Convert to fraction form
    2,052,286.40/3,078,429.60 = 1,296,459.20/x
  3. Step 3: Cross multiply
    2,052,286.40x = 3,078,429.60 × 1,296,459.20
  4. Step 4: Simplify right side
    2,052,286.40x = 3,991,058,376,472.32
  5. Step 5: Solve for x
    x = 3,991,058,376,472.32/2,052,286.40
  6. Step 6: Final answer
    x = 1,944,688.80

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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.