Home / 3,986,904.71-5,501,573.64-2,220,667.81

Finding the Fourth Proportional to 3,986,904.71, 5,501,573.64 and 2,220,667.81

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Solution

The fourth proportional to 3,986,904.71, 5,501,573.64 and 2,220,667.81 is: 3,064,323.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,904.71 : 5,501,573.64 = 2,220,667.81 : x
  2. Step 2: Convert to fraction form
    3,986,904.71/5,501,573.64 = 2,220,667.81/x
  3. Step 3: Cross multiply
    3,986,904.71x = 5,501,573.64 × 2,220,667.81
  4. Step 4: Simplify right side
    3,986,904.71x = 12,217,167,486,692.53
  5. Step 5: Solve for x
    x = 12,217,167,486,692.53/3,986,904.71
  6. Step 6: Final answer
    x = 3,064,323.92

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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.