Home / 6,659,913.08-9,189,695.10-3,905,561.54

Finding the Fourth Proportional to 6,659,913.08, 9,189,695.10 and 3,905,561.54

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Solution

The fourth proportional to 6,659,913.08, 9,189,695.10 and 3,905,561.54 is: 5,389,097.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,659,913.08 : 9,189,695.10 = 3,905,561.54 : x
  2. Step 2: Convert to fraction form
    6,659,913.08/9,189,695.10 = 3,905,561.54/x
  3. Step 3: Cross multiply
    6,659,913.08x = 9,189,695.10 × 3,905,561.54
  4. Step 4: Simplify right side
    6,659,913.08x = 35,890,919,746,886.45
  5. Step 5: Solve for x
    x = 35,890,919,746,886.45/6,659,913.08
  6. Step 6: Final answer
    x = 5,389,097.32

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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.