Home / 3,400,272-4,692,375.36-1,872,375.48

Finding the Fourth Proportional to 3,400,272, 4,692,375.36 and 1,872,375.48

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Solution

The fourth proportional to 3,400,272, 4,692,375.36 and 1,872,375.48 is: 2,583,878.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400,272 : 4,692,375.36 = 1,872,375.48 : x
  2. Step 2: Convert to fraction form
    3,400,272/4,692,375.36 = 1,872,375.48/x
  3. Step 3: Cross multiply
    3,400,272x = 4,692,375.36 × 1,872,375.48
  4. Step 4: Simplify right side
    3,400,272x = 8,785,888,567,020.17
  5. Step 5: Solve for x
    x = 8,785,888,567,020.17/3,400,272
  6. Step 6: Final answer
    x = 2,583,878.16

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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.