Home / 5,413,076.01-8,120,360.30-1,819,121.40

Finding the Fourth Proportional to 5,413,076.01, 8,120,360.30 and 1,819,121.40

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Solution

The fourth proportional to 5,413,076.01, 8,120,360.30 and 1,819,121.40 is: 2,728,932.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413,076.01 : 8,120,360.30 = 1,819,121.40 : x
  2. Step 2: Convert to fraction form
    5,413,076.01/8,120,360.30 = 1,819,121.40/x
  3. Step 3: Cross multiply
    5,413,076.01x = 8,120,360.30 × 1,819,121.40
  4. Step 4: Simplify right side
    5,413,076.01x = 14,771,921,188,344.81
  5. Step 5: Solve for x
    x = 14,771,921,188,344.81/5,413,076.01
  6. Step 6: Final answer
    x = 2,728,932.90

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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.