Home / 5,148,026.40-7,105,129.20-2,856,923.04

Finding the Fourth Proportional to 5,148,026.40, 7,105,129.20 and 2,856,923.04

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Solution

The fourth proportional to 5,148,026.40, 7,105,129.20 and 2,856,923.04 is: 3,943,027.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148,026.40 : 7,105,129.20 = 2,856,923.04 : x
  2. Step 2: Convert to fraction form
    5,148,026.40/7,105,129.20 = 2,856,923.04/x
  3. Step 3: Cross multiply
    5,148,026.40x = 7,105,129.20 × 2,856,923.04
  4. Step 4: Simplify right side
    5,148,026.40x = 20,298,807,313,656.77
  5. Step 5: Solve for x
    x = 20,298,807,313,656.77/5,148,026.40
  6. Step 6: Final answer
    x = 3,943,027.04

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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.