Home / 6,646,943.16-9,970,414.20-2,101,184.64

Finding the Fourth Proportional to 6,646,943.16, 9,970,414.20 and 2,101,184.64

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Solution

The fourth proportional to 6,646,943.16, 9,970,414.20 and 2,101,184.64 is: 3,151,776.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,646,943.16 : 9,970,414.20 = 2,101,184.64 : x
  2. Step 2: Convert to fraction form
    6,646,943.16/9,970,414.20 = 2,101,184.64/x
  3. Step 3: Cross multiply
    6,646,943.16x = 9,970,414.20 × 2,101,184.64
  4. Step 4: Simplify right side
    6,646,943.16x = 20,949,681,171,477.89
  5. Step 5: Solve for x
    x = 20,949,681,171,477.89/6,646,943.16
  6. Step 6: Final answer
    x = 3,151,776.79

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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.