Home / 1,818,172.75-2,727,652.81-696,241.79

Finding the Fourth Proportional to 1,818,172.75, 2,727,652.81 and 696,241.79

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Solution

The fourth proportional to 1,818,172.75, 2,727,652.81 and 696,241.79 is: 1,044,513.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,172.75 : 2,727,652.81 = 696,241.79 : x
  2. Step 2: Convert to fraction form
    1,818,172.75/2,727,652.81 = 696,241.79/x
  3. Step 3: Cross multiply
    1,818,172.75x = 2,727,652.81 × 696,241.79
  4. Step 4: Simplify right side
    1,818,172.75x = 1,899,105,871,451.72
  5. Step 5: Solve for x
    x = 1,899,105,871,451.72/1,818,172.75
  6. Step 6: Final answer
    x = 1,044,513.44

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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.