Home / 3,173,160.51-4,382,566.91-2,138,884.47

Finding the Fourth Proportional to 3,173,160.51, 4,382,566.91 and 2,138,884.47

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Solution

The fourth proportional to 3,173,160.51, 4,382,566.91 and 2,138,884.47 is: 2,954,090.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173,160.51 : 4,382,566.91 = 2,138,884.47 : x
  2. Step 2: Convert to fraction form
    3,173,160.51/4,382,566.91 = 2,138,884.47/x
  3. Step 3: Cross multiply
    3,173,160.51x = 4,382,566.91 × 2,138,884.47
  4. Step 4: Simplify right side
    3,173,160.51x = 9,373,804,291,840.47
  5. Step 5: Solve for x
    x = 9,373,804,291,840.47/3,173,160.51
  6. Step 6: Final answer
    x = 2,954,090.81

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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.