Home / 1,613,243.01-2,421,359.91-815,085.54

Finding the Fourth Proportional to 1,613,243.01, 2,421,359.91 and 815,085.54

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Solution

The fourth proportional to 1,613,243.01, 2,421,359.91 and 815,085.54 is: 1,223,383.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,243.01 : 2,421,359.91 = 815,085.54 : x
  2. Step 2: Convert to fraction form
    1,613,243.01/2,421,359.91 = 815,085.54/x
  3. Step 3: Cross multiply
    1,613,243.01x = 2,421,359.91 × 815,085.54
  4. Step 4: Simplify right side
    1,613,243.01x = 1,973,615,449,776.70
  5. Step 5: Solve for x
    x = 1,973,615,449,776.70/1,613,243.01
  6. Step 6: Final answer
    x = 1,223,383.85

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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.