Home / 2,009,279.10-3,012,169.05-1,209,711.90

Finding the Fourth Proportional to 2,009,279.10, 3,012,169.05 and 1,209,711.90

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Solution

The fourth proportional to 2,009,279.10, 3,012,169.05 and 1,209,711.90 is: 1,813,514.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009,279.10 : 3,012,169.05 = 1,209,711.90 : x
  2. Step 2: Convert to fraction form
    2,009,279.10/3,012,169.05 = 1,209,711.90/x
  3. Step 3: Cross multiply
    2,009,279.10x = 3,012,169.05 × 1,209,711.90
  4. Step 4: Simplify right side
    2,009,279.10x = 3,643,856,744,596.69
  5. Step 5: Solve for x
    x = 3,643,856,744,596.69/2,009,279.10
  6. Step 6: Final answer
    x = 1,813,514.48

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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.