Home / 6,665,960.96-9,999,459.80-2,178,690.56

Finding the Fourth Proportional to 6,665,960.96, 9,999,459.80 and 2,178,690.56

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Solution

The fourth proportional to 6,665,960.96, 9,999,459.80 and 2,178,690.56 is: 3,268,205.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665,960.96 : 9,999,459.80 = 2,178,690.56 : x
  2. Step 2: Convert to fraction form
    6,665,960.96/9,999,459.80 = 2,178,690.56/x
  3. Step 3: Cross multiply
    6,665,960.96x = 9,999,459.80 × 2,178,690.56
  4. Step 4: Simplify right side
    6,665,960.96x = 21,785,728,671,359.49
  5. Step 5: Solve for x
    x = 21,785,728,671,359.49/6,665,960.96
  6. Step 6: Final answer
    x = 3,268,205.26

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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.