Home / 2,801,436.30-4,192,477.65-1,680,309.90

Finding the Fourth Proportional to 2,801,436.30, 4,192,477.65 and 1,680,309.90

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Solution

The fourth proportional to 2,801,436.30, 4,192,477.65 and 1,680,309.90 is: 2,514,660.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801,436.30 : 4,192,477.65 = 1,680,309.90 : x
  2. Step 2: Convert to fraction form
    2,801,436.30/4,192,477.65 = 1,680,309.90/x
  3. Step 3: Cross multiply
    2,801,436.30x = 4,192,477.65 × 1,680,309.90
  4. Step 4: Simplify right side
    2,801,436.30x = 7,044,661,700,823.74
  5. Step 5: Solve for x
    x = 7,044,661,700,823.74/2,801,436.30
  6. Step 6: Final answer
    x = 2,514,660.68

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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.