Home / 4,978,890.56-6,872,392.14-2,914,389.02

Finding the Fourth Proportional to 4,978,890.56, 6,872,392.14 and 2,914,389.02

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Solution

The fourth proportional to 4,978,890.56, 6,872,392.14 and 2,914,389.02 is: 4,022,748.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,978,890.56 : 6,872,392.14 = 2,914,389.02 : x
  2. Step 2: Convert to fraction form
    4,978,890.56/6,872,392.14 = 2,914,389.02/x
  3. Step 3: Cross multiply
    4,978,890.56x = 6,872,392.14 × 2,914,389.02
  4. Step 4: Simplify right side
    4,978,890.56x = 20,028,824,193,950.30
  5. Step 5: Solve for x
    x = 20,028,824,193,950.30/4,978,890.56
  6. Step 6: Final answer
    x = 4,022,748.43

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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.