Home / 2,690,827.30-3,710,324.94-2,199,271.38

Finding the Fourth Proportional to 2,690,827.30, 3,710,324.94 and 2,199,271.38

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Solution

The fourth proportional to 2,690,827.30, 3,710,324.94 and 2,199,271.38 is: 3,032,528.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,827.30 : 3,710,324.94 = 2,199,271.38 : x
  2. Step 2: Convert to fraction form
    2,690,827.30/3,710,324.94 = 2,199,271.38/x
  3. Step 3: Cross multiply
    2,690,827.30x = 3,710,324.94 × 2,199,271.38
  4. Step 4: Simplify right side
    2,690,827.30x = 8,160,011,451,042.22
  5. Step 5: Solve for x
    x = 8,160,011,451,042.22/2,690,827.30
  6. Step 6: Final answer
    x = 3,032,528.86

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1.5x scale

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.