Home / 2,142,456.60-3,213,703.08-545,021.04

Finding the Fourth Proportional to 2,142,456.60, 3,213,703.08 and 545,021.04

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Solution

The fourth proportional to 2,142,456.60, 3,213,703.08 and 545,021.04 is: 817,536.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,456.60 : 3,213,703.08 = 545,021.04 : x
  2. Step 2: Convert to fraction form
    2,142,456.60/3,213,703.08 = 545,021.04/x
  3. Step 3: Cross multiply
    2,142,456.60x = 3,213,703.08 × 545,021.04
  4. Step 4: Simplify right side
    2,142,456.60x = 1,751,535,794,912.80
  5. Step 5: Solve for x
    x = 1,751,535,794,912.80/2,142,456.60
  6. Step 6: Final answer
    x = 817,536.18

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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.