Home / 5,148,057.42-7,104,320.12-2,856,212.64

Finding the Fourth Proportional to 5,148,057.42, 7,104,320.12 and 2,856,212.64

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Solution

The fourth proportional to 5,148,057.42, 7,104,320.12 and 2,856,212.64 is: 3,941,573.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148,057.42 : 7,104,320.12 = 2,856,212.64 : x
  2. Step 2: Convert to fraction form
    5,148,057.42/7,104,320.12 = 2,856,212.64/x
  3. Step 3: Cross multiply
    5,148,057.42x = 7,104,320.12 × 2,856,212.64
  4. Step 4: Simplify right side
    5,148,057.42x = 20,291,448,925,350.32
  5. Step 5: Solve for x
    x = 20,291,448,925,350.32/5,148,057.42
  6. Step 6: Final answer
    x = 3,941,573.93

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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.