Home / 3,218,702.59-4,439,961.87-2,009,379.07

Finding the Fourth Proportional to 3,218,702.59, 4,439,961.87 and 2,009,379.07

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Solution

The fourth proportional to 3,218,702.59, 4,439,961.87 and 2,009,379.07 is: 2,771,789.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,702.59 : 4,439,961.87 = 2,009,379.07 : x
  2. Step 2: Convert to fraction form
    3,218,702.59/4,439,961.87 = 2,009,379.07/x
  3. Step 3: Cross multiply
    3,218,702.59x = 4,439,961.87 × 2,009,379.07
  4. Step 4: Simplify right side
    3,218,702.59x = 8,921,566,453,176.06
  5. Step 5: Solve for x
    x = 8,921,566,453,176.06/3,218,702.59
  6. Step 6: Final answer
    x = 2,771,789.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.