Home / 3,540,128.92-5,308,729.40-1,110,471.75

Finding the Fourth Proportional to 3,540,128.92, 5,308,729.40 and 1,110,471.75

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Solution

The fourth proportional to 3,540,128.92, 5,308,729.40 and 1,110,471.75 is: 1,665,248.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540,128.92 : 5,308,729.40 = 1,110,471.75 : x
  2. Step 2: Convert to fraction form
    3,540,128.92/5,308,729.40 = 1,110,471.75/x
  3. Step 3: Cross multiply
    3,540,128.92x = 5,308,729.40 × 1,110,471.75
  4. Step 4: Simplify right side
    3,540,128.92x = 5,895,194,029,870.63
  5. Step 5: Solve for x
    x = 5,895,194,029,870.63/3,540,128.92
  6. Step 6: Final answer
    x = 1,665,248.40

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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.