Home / 2,631,644.64-3,944,286.09-1,281,784.50

Finding the Fourth Proportional to 2,631,644.64, 3,944,286.09 and 1,281,784.50

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Solution

The fourth proportional to 2,631,644.64, 3,944,286.09 and 1,281,784.50 is: 1,921,127.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,644.64 : 3,944,286.09 = 1,281,784.50 : x
  2. Step 2: Convert to fraction form
    2,631,644.64/3,944,286.09 = 1,281,784.50/x
  3. Step 3: Cross multiply
    2,631,644.64x = 3,944,286.09 × 1,281,784.50
  4. Step 4: Simplify right side
    2,631,644.64x = 5,055,724,773,727.60
  5. Step 5: Solve for x
    x = 5,055,724,773,727.60/2,631,644.64
  6. Step 6: Final answer
    x = 1,921,127.46

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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.