Home / 5,148,026.90-7,105,129.89-2,856,923.54

Finding the Fourth Proportional to 5,148,026.90, 7,105,129.89 and 2,856,923.54

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Solution

The fourth proportional to 5,148,026.90, 7,105,129.89 and 2,856,923.54 is: 3,943,027.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148,026.90 : 7,105,129.89 = 2,856,923.54 : x
  2. Step 2: Convert to fraction form
    5,148,026.90/7,105,129.89 = 2,856,923.54/x
  3. Step 3: Cross multiply
    5,148,026.90x = 7,105,129.89 × 2,856,923.54
  4. Step 4: Simplify right side
    5,148,026.90x = 20,298,812,837,498.61
  5. Step 5: Solve for x
    x = 20,298,812,837,498.61/5,148,026.90
  6. Step 6: Final answer
    x = 3,943,027.73

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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.