Home / 6,464,979.78-9,697,718.39-2,421,049.11

Finding the Fourth Proportional to 6,464,979.78, 9,697,718.39 and 2,421,049.11

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Solution

The fourth proportional to 6,464,979.78, 9,697,718.39 and 2,421,049.11 is: 3,631,666.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,464,979.78 : 9,697,718.39 = 2,421,049.11 : x
  2. Step 2: Convert to fraction form
    6,464,979.78/9,697,718.39 = 2,421,049.11/x
  3. Step 3: Cross multiply
    6,464,979.78x = 9,697,718.39 × 2,421,049.11
  4. Step 4: Simplify right side
    6,464,979.78x = 23,478,652,465,034.89
  5. Step 5: Solve for x
    x = 23,478,652,465,034.89/6,464,979.78
  6. Step 6: Final answer
    x = 3,631,666.81

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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.