Home / 2,660,864.70-3,991,815.45-1,063,155.90

Finding the Fourth Proportional to 2,660,864.70, 3,991,815.45 and 1,063,155.90

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Solution

The fourth proportional to 2,660,864.70, 3,991,815.45 and 1,063,155.90 is: 1,594,940.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,864.70 : 3,991,815.45 = 1,063,155.90 : x
  2. Step 2: Convert to fraction form
    2,660,864.70/3,991,815.45 = 1,063,155.90/x
  3. Step 3: Cross multiply
    2,660,864.70x = 3,991,815.45 × 1,063,155.90
  4. Step 4: Simplify right side
    2,660,864.70x = 4,243,922,147,378.66
  5. Step 5: Solve for x
    x = 4,243,922,147,378.66/2,660,864.70
  6. Step 6: Final answer
    x = 1,594,940.98

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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.