Home / 2,103,089.60-3,150,487.20-1,259,134.40

Finding the Fourth Proportional to 2,103,089.60, 3,150,487.20 and 1,259,134.40

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Solution

The fourth proportional to 2,103,089.60, 3,150,487.20 and 1,259,134.40 is: 1,886,218.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,089.60 : 3,150,487.20 = 1,259,134.40 : x
  2. Step 2: Convert to fraction form
    2,103,089.60/3,150,487.20 = 1,259,134.40/x
  3. Step 3: Cross multiply
    2,103,089.60x = 3,150,487.20 × 1,259,134.40
  4. Step 4: Simplify right side
    2,103,089.60x = 3,966,886,810,279.68
  5. Step 5: Solve for x
    x = 3,966,886,810,279.68/2,103,089.60
  6. Step 6: Final answer
    x = 1,886,218.64

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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.