Home / 2,132,138.04-2,942,066.25-1,369,224.96

Finding the Fourth Proportional to 2,132,138.04, 2,942,066.25 and 1,369,224.96

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Solution

The fourth proportional to 2,132,138.04, 2,942,066.25 and 1,369,224.96 is: 1,889,347.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,138.04 : 2,942,066.25 = 1,369,224.96 : x
  2. Step 2: Convert to fraction form
    2,132,138.04/2,942,066.25 = 1,369,224.96/x
  3. Step 3: Cross multiply
    2,132,138.04x = 2,942,066.25 × 1,369,224.96
  4. Step 4: Simplify right side
    2,132,138.04x = 4,028,350,543,473.60
  5. Step 5: Solve for x
    x = 4,028,350,543,473.60/2,132,138.04
  6. Step 6: Final answer
    x = 1,889,347.91

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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.