Home / 2,197,857.12-3,032,354.16-1,230,856.80

Finding the Fourth Proportional to 2,197,857.12, 3,032,354.16 and 1,230,856.80

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Solution

The fourth proportional to 2,197,857.12, 3,032,354.16 and 1,230,856.80 is: 1,698,196.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197,857.12 : 3,032,354.16 = 1,230,856.80 : x
  2. Step 2: Convert to fraction form
    2,197,857.12/3,032,354.16 = 1,230,856.80/x
  3. Step 3: Cross multiply
    2,197,857.12x = 3,032,354.16 × 1,230,856.80
  4. Step 4: Simplify right side
    2,197,857.12x = 3,732,393,737,844.29
  5. Step 5: Solve for x
    x = 3,732,393,737,844.29/2,197,857.12
  6. Step 6: Final answer
    x = 1,698,196.71

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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.