Home / 2,172,976.12-3,258,676.86-974,281.42

Finding the Fourth Proportional to 2,172,976.12, 3,258,676.86 and 974,281.42

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Solution

The fourth proportional to 2,172,976.12, 3,258,676.86 and 974,281.42 is: 1,461,069.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,976.12 : 3,258,676.86 = 974,281.42 : x
  2. Step 2: Convert to fraction form
    2,172,976.12/3,258,676.86 = 974,281.42/x
  3. Step 3: Cross multiply
    2,172,976.12x = 3,258,676.86 × 974,281.42
  4. Step 4: Simplify right side
    2,172,976.12x = 3,174,868,318,481.94
  5. Step 5: Solve for x
    x = 3,174,868,318,481.94/2,172,976.12
  6. Step 6: Final answer
    x = 1,461,069.13

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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.