Home / 3,672,021.60-5,508,032.40-976,762.80

Finding the Fourth Proportional to 3,672,021.60, 5,508,032.40 and 976,762.80

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Solution

The fourth proportional to 3,672,021.60, 5,508,032.40 and 976,762.80 is: 1,465,144.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672,021.60 : 5,508,032.40 = 976,762.80 : x
  2. Step 2: Convert to fraction form
    3,672,021.60/5,508,032.40 = 976,762.80/x
  3. Step 3: Cross multiply
    3,672,021.60x = 5,508,032.40 × 976,762.80
  4. Step 4: Simplify right side
    3,672,021.60x = 5,380,041,149,514.72
  5. Step 5: Solve for x
    x = 5,380,041,149,514.72/3,672,021.60
  6. Step 6: Final answer
    x = 1,465,144.20

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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.