Home / 2,286,862.12-3,430,788.54-689,291.56

Finding the Fourth Proportional to 2,286,862.12, 3,430,788.54 and 689,291.56

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Solution

The fourth proportional to 2,286,862.12, 3,430,788.54 and 689,291.56 is: 1,034,086.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286,862.12 : 3,430,788.54 = 689,291.56 : x
  2. Step 2: Convert to fraction form
    2,286,862.12/3,430,788.54 = 689,291.56/x
  3. Step 3: Cross multiply
    2,286,862.12x = 3,430,788.54 × 689,291.56
  4. Step 4: Simplify right side
    2,286,862.12x = 2,364,813,584,766.72
  5. Step 5: Solve for x
    x = 2,364,813,584,766.72/2,286,862.12
  6. Step 6: Final answer
    x = 1,034,086.65

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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.