Home / 5,179,774.86-7,148,135.52-2,856,757.23

Finding the Fourth Proportional to 5,179,774.86, 7,148,135.52 and 2,856,757.23

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Solution

The fourth proportional to 5,179,774.86, 7,148,135.52 and 2,856,757.23 is: 3,942,350.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179,774.86 : 7,148,135.52 = 2,856,757.23 : x
  2. Step 2: Convert to fraction form
    5,179,774.86/7,148,135.52 = 2,856,757.23/x
  3. Step 3: Cross multiply
    5,179,774.86x = 7,148,135.52 × 2,856,757.23
  4. Step 4: Simplify right side
    5,179,774.86x = 20,420,487,827,779.81
  5. Step 5: Solve for x
    x = 20,420,487,827,779.81/5,179,774.86
  6. Step 6: Final answer
    x = 3,942,350.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.