Home / 2,782,432.90-4,173,539.73-985,243.78

Finding the Fourth Proportional to 2,782,432.90, 4,173,539.73 and 985,243.78

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Solution

The fourth proportional to 2,782,432.90, 4,173,539.73 and 985,243.78 is: 1,477,826.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782,432.90 : 4,173,539.73 = 985,243.78 : x
  2. Step 2: Convert to fraction form
    2,782,432.90/4,173,539.73 = 985,243.78/x
  3. Step 3: Cross multiply
    2,782,432.90x = 4,173,539.73 × 985,243.78
  4. Step 4: Simplify right side
    2,782,432.90x = 4,111,954,059,565.38
  5. Step 5: Solve for x
    x = 4,111,954,059,565.38/2,782,432.90
  6. Step 6: Final answer
    x = 1,477,826.85

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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.