Home / 2,209,697.40-3,314,546.10-1,855,111.80

Finding the Fourth Proportional to 2,209,697.40, 3,314,546.10 and 1,855,111.80

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Solution

The fourth proportional to 2,209,697.40, 3,314,546.10 and 1,855,111.80 is: 2,782,667.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,697.40 : 3,314,546.10 = 1,855,111.80 : x
  2. Step 2: Convert to fraction form
    2,209,697.40/3,314,546.10 = 1,855,111.80/x
  3. Step 3: Cross multiply
    2,209,697.40x = 3,314,546.10 × 1,855,111.80
  4. Step 4: Simplify right side
    2,209,697.40x = 6,148,853,581,753.98
  5. Step 5: Solve for x
    x = 6,148,853,581,753.98/2,209,697.40
  6. Step 6: Final answer
    x = 2,782,667.70

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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.