Home / 2,171,246.70-3,255,314.85-908,424.30

Finding the Fourth Proportional to 2,171,246.70, 3,255,314.85 and 908,424.30

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Solution

The fourth proportional to 2,171,246.70, 3,255,314.85 and 908,424.30 is: 1,361,985.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,246.70 : 3,255,314.85 = 908,424.30 : x
  2. Step 2: Convert to fraction form
    2,171,246.70/3,255,314.85 = 908,424.30/x
  3. Step 3: Cross multiply
    2,171,246.70x = 3,255,314.85 × 908,424.30
  4. Step 4: Simplify right side
    2,171,246.70x = 2,957,207,113,890.86
  5. Step 5: Solve for x
    x = 2,957,207,113,890.86/2,171,246.70
  6. Step 6: Final answer
    x = 1,361,985.77

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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.