Home / 2,191,824.80-3,285,404.40-843,466.40

Finding the Fourth Proportional to 2,191,824.80, 3,285,404.40 and 843,466.40

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Solution

The fourth proportional to 2,191,824.80, 3,285,404.40 and 843,466.40 is: 1,264,301.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,824.80 : 3,285,404.40 = 843,466.40 : x
  2. Step 2: Convert to fraction form
    2,191,824.80/3,285,404.40 = 843,466.40/x
  3. Step 3: Cross multiply
    2,191,824.80x = 3,285,404.40 × 843,466.40
  4. Step 4: Simplify right side
    2,191,824.80x = 2,771,128,221,812.16
  5. Step 5: Solve for x
    x = 2,771,128,221,812.16/2,191,824.80
  6. Step 6: Final answer
    x = 1,264,301.88

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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.