Home / 5,264,867.12-7,897,782.64-1,478,324.48

Finding the Fourth Proportional to 5,264,867.12, 7,897,782.64 and 1,478,324.48

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Solution

The fourth proportional to 5,264,867.12, 7,897,782.64 and 1,478,324.48 is: 2,217,622.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,264,867.12 : 7,897,782.64 = 1,478,324.48 : x
  2. Step 2: Convert to fraction form
    5,264,867.12/7,897,782.64 = 1,478,324.48/x
  3. Step 3: Cross multiply
    5,264,867.12x = 7,897,782.64 × 1,478,324.48
  4. Step 4: Simplify right side
    5,264,867.12x = 11,675,485,414,431.03
  5. Step 5: Solve for x
    x = 11,675,485,414,431.03/5,264,867.12
  6. Step 6: Final answer
    x = 2,217,622.05

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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.