Home / 1,819,076.80-2,730,507.76-1,339,845.72

Finding the Fourth Proportional to 1,819,076.80, 2,730,507.76 and 1,339,845.72

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Solution

The fourth proportional to 1,819,076.80, 2,730,507.76 and 1,339,845.72 is: 2,011,162.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,076.80 : 2,730,507.76 = 1,339,845.72 : x
  2. Step 2: Convert to fraction form
    1,819,076.80/2,730,507.76 = 1,339,845.72/x
  3. Step 3: Cross multiply
    1,819,076.80x = 2,730,507.76 × 1,339,845.72
  4. Step 4: Simplify right side
    1,819,076.80x = 3,658,459,135,662.79
  5. Step 5: Solve for x
    x = 3,658,459,135,662.79/1,819,076.80
  6. Step 6: Final answer
    x = 2,011,162.55

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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.