Home / 3,866,357.28-5,335,424.64-2,147,587.68

Finding the Fourth Proportional to 3,866,357.28, 5,335,424.64 and 2,147,587.68

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Solution

The fourth proportional to 3,866,357.28, 5,335,424.64 and 2,147,587.68 is: 2,963,588.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,866,357.28 : 5,335,424.64 = 2,147,587.68 : x
  2. Step 2: Convert to fraction form
    3,866,357.28/5,335,424.64 = 2,147,587.68/x
  3. Step 3: Cross multiply
    3,866,357.28x = 5,335,424.64 × 2,147,587.68
  4. Step 4: Simplify right side
    3,866,357.28x = 11,458,292,224,432.44
  5. Step 5: Solve for x
    x = 11,458,292,224,432.44/3,866,357.28
  6. Step 6: Final answer
    x = 2,963,588.57

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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.