Home / 4,148,419.28-5,722,783.84-2,772,100.88

Finding the Fourth Proportional to 4,148,419.28, 5,722,783.84 and 2,772,100.88

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Solution

The fourth proportional to 4,148,419.28, 5,722,783.84 and 2,772,100.88 is: 3,824,139.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148,419.28 : 5,722,783.84 = 2,772,100.88 : x
  2. Step 2: Convert to fraction form
    4,148,419.28/5,722,783.84 = 2,772,100.88/x
  3. Step 3: Cross multiply
    4,148,419.28x = 5,722,783.84 × 2,772,100.88
  4. Step 4: Simplify right side
    4,148,419.28x = 15,864,134,118,913.78
  5. Step 5: Solve for x
    x = 15,864,134,118,913.78/4,148,419.28
  6. Step 6: Final answer
    x = 3,824,139.52

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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.