Home / 2,191,813.20-3,024,678.60-1,211,748.03

Finding the Fourth Proportional to 2,191,813.20, 3,024,678.60 and 1,211,748.03

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Solution

The fourth proportional to 2,191,813.20, 3,024,678.60 and 1,211,748.03 is: 1,672,199.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,813.20 : 3,024,678.60 = 1,211,748.03 : x
  2. Step 2: Convert to fraction form
    2,191,813.20/3,024,678.60 = 1,211,748.03/x
  3. Step 3: Cross multiply
    2,191,813.20x = 3,024,678.60 × 1,211,748.03
  4. Step 4: Simplify right side
    2,191,813.20x = 3,665,148,334,933.16
  5. Step 5: Solve for x
    x = 3,665,148,334,933.16/2,191,813.20
  6. Step 6: Final answer
    x = 1,672,199.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.