Home / 2,114,063.12-3,171,085.74-765,909.64

Finding the Fourth Proportional to 2,114,063.12, 3,171,085.74 and 765,909.64

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Solution

The fourth proportional to 2,114,063.12, 3,171,085.74 and 765,909.64 is: 1,148,861.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114,063.12 : 3,171,085.74 = 765,909.64 : x
  2. Step 2: Convert to fraction form
    2,114,063.12/3,171,085.74 = 765,909.64/x
  3. Step 3: Cross multiply
    2,114,063.12x = 3,171,085.74 × 765,909.64
  4. Step 4: Simplify right side
    2,114,063.12x = 2,428,765,137,532.53
  5. Step 5: Solve for x
    x = 2,428,765,137,532.53/2,114,063.12
  6. Step 6: Final answer
    x = 1,148,861.22

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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.