Home / 2,928,765.22-4,042,179.61-2,010,239.78

Finding the Fourth Proportional to 2,928,765.22, 4,042,179.61 and 2,010,239.78

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Solution

The fourth proportional to 2,928,765.22, 4,042,179.61 and 2,010,239.78 is: 2,774,462.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928,765.22 : 4,042,179.61 = 2,010,239.78 : x
  2. Step 2: Convert to fraction form
    2,928,765.22/4,042,179.61 = 2,010,239.78/x
  3. Step 3: Cross multiply
    2,928,765.22x = 4,042,179.61 × 2,010,239.78
  4. Step 4: Simplify right side
    2,928,765.22x = 8,125,750,249,926.89
  5. Step 5: Solve for x
    x = 8,125,750,249,926.89/2,928,765.22
  6. Step 6: Final answer
    x = 2,774,462.83

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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.