Home / 3,101,879.40-4,656,318.30-1,840,417.80

Finding the Fourth Proportional to 3,101,879.40, 4,656,318.30 and 1,840,417.80

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Solution

The fourth proportional to 3,101,879.40, 4,656,318.30 and 1,840,417.80 is: 2,762,702.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101,879.40 : 4,656,318.30 = 1,840,417.80 : x
  2. Step 2: Convert to fraction form
    3,101,879.40/4,656,318.30 = 1,840,417.80/x
  3. Step 3: Cross multiply
    3,101,879.40x = 4,656,318.30 × 1,840,417.80
  4. Step 4: Simplify right side
    3,101,879.40x = 8,569,571,081,785.74
  5. Step 5: Solve for x
    x = 8,569,571,081,785.74/3,101,879.40
  6. Step 6: Final answer
    x = 2,762,702.86

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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.