Home / 2,085,739.20-3,128,954.40-888,235.20

Finding the Fourth Proportional to 2,085,739.20, 3,128,954.40 and 888,235.20

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Solution

The fourth proportional to 2,085,739.20, 3,128,954.40 and 888,235.20 is: 1,332,499.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,739.20 : 3,128,954.40 = 888,235.20 : x
  2. Step 2: Convert to fraction form
    2,085,739.20/3,128,954.40 = 888,235.20/x
  3. Step 3: Cross multiply
    2,085,739.20x = 3,128,954.40 × 888,235.20
  4. Step 4: Simplify right side
    2,085,739.20x = 2,779,247,437,274.88
  5. Step 5: Solve for x
    x = 2,779,247,437,274.88/2,085,739.20
  6. Step 6: Final answer
    x = 1,332,499.98

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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.