Home / 3,840,103.80-5,760,155.70-1,314,919.80

Finding the Fourth Proportional to 3,840,103.80, 5,760,155.70 and 1,314,919.80

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Solution

The fourth proportional to 3,840,103.80, 5,760,155.70 and 1,314,919.80 is: 1,972,379.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840,103.80 : 5,760,155.70 = 1,314,919.80 : x
  2. Step 2: Convert to fraction form
    3,840,103.80/5,760,155.70 = 1,314,919.80/x
  3. Step 3: Cross multiply
    3,840,103.80x = 5,760,155.70 × 1,314,919.80
  4. Step 4: Simplify right side
    3,840,103.80x = 7,574,142,781,012.86
  5. Step 5: Solve for x
    x = 7,574,142,781,012.86/3,840,103.80
  6. Step 6: Final answer
    x = 1,972,379.70

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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.