Home / 2,218,379.88-3,061,364.16-1,199,784.60

Finding the Fourth Proportional to 2,218,379.88, 3,061,364.16 and 1,199,784.60

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Solution

The fourth proportional to 2,218,379.88, 3,061,364.16 and 1,199,784.60 is: 1,655,702.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,379.88 : 3,061,364.16 = 1,199,784.60 : x
  2. Step 2: Convert to fraction form
    2,218,379.88/3,061,364.16 = 1,199,784.60/x
  3. Step 3: Cross multiply
    2,218,379.88x = 3,061,364.16 × 1,199,784.60
  4. Step 4: Simplify right side
    2,218,379.88x = 3,672,977,574,159.94
  5. Step 5: Solve for x
    x = 3,672,977,574,159.94/2,218,379.88
  6. Step 6: Final answer
    x = 1,655,702.71

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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.