Home / 2,782,431.90-4,173,538.23-985,242.78

Finding the Fourth Proportional to 2,782,431.90, 4,173,538.23 and 985,242.78

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Solution

The fourth proportional to 2,782,431.90, 4,173,538.23 and 985,242.78 is: 1,477,825.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782,431.90 : 4,173,538.23 = 985,242.78 : x
  2. Step 2: Convert to fraction form
    2,782,431.90/4,173,538.23 = 985,242.78/x
  3. Step 3: Cross multiply
    2,782,431.90x = 4,173,538.23 × 985,242.78
  4. Step 4: Simplify right side
    2,782,431.90x = 4,111,948,408,161.48
  5. Step 5: Solve for x
    x = 4,111,948,408,161.48/2,782,431.90
  6. Step 6: Final answer
    x = 1,477,825.35

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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.