Home / 2,088,270.70-3,132,406.05-1,286,953.90

Finding the Fourth Proportional to 2,088,270.70, 3,132,406.05 and 1,286,953.90

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Solution

The fourth proportional to 2,088,270.70, 3,132,406.05 and 1,286,953.90 is: 1,930,430.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088,270.70 : 3,132,406.05 = 1,286,953.90 : x
  2. Step 2: Convert to fraction form
    2,088,270.70/3,132,406.05 = 1,286,953.90/x
  3. Step 3: Cross multiply
    2,088,270.70x = 3,132,406.05 × 1,286,953.90
  4. Step 4: Simplify right side
    2,088,270.70x = 4,031,262,182,431.09
  5. Step 5: Solve for x
    x = 4,031,262,182,431.09/2,088,270.70
  6. Step 6: Final answer
    x = 1,930,430.85

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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.