Home / 2,974,874.12-4,105,168.90-1,685,729.96

Finding the Fourth Proportional to 2,974,874.12, 4,105,168.90 and 1,685,729.96

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Solution

The fourth proportional to 2,974,874.12, 4,105,168.90 and 1,685,729.96 is: 2,326,218.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974,874.12 : 4,105,168.90 = 1,685,729.96 : x
  2. Step 2: Convert to fraction form
    2,974,874.12/4,105,168.90 = 1,685,729.96/x
  3. Step 3: Cross multiply
    2,974,874.12x = 4,105,168.90 × 1,685,729.96
  4. Step 4: Simplify right side
    2,974,874.12x = 6,920,206,205,590.24
  5. Step 5: Solve for x
    x = 6,920,206,205,590.24/2,974,874.12
  6. Step 6: Final answer
    x = 2,326,218.16

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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.