Home / 1,995,032.51-2,992,969.29-647,090.25

Finding the Fourth Proportional to 1,995,032.51, 2,992,969.29 and 647,090.25

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Solution

The fourth proportional to 1,995,032.51, 2,992,969.29 and 647,090.25 is: 970,771.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,032.51 : 2,992,969.29 = 647,090.25 : x
  2. Step 2: Convert to fraction form
    1,995,032.51/2,992,969.29 = 647,090.25/x
  3. Step 3: Cross multiply
    1,995,032.51x = 2,992,969.29 × 647,090.25
  4. Step 4: Simplify right side
    1,995,032.51x = 1,936,721,246,108.42
  5. Step 5: Solve for x
    x = 1,936,721,246,108.42/1,995,032.51
  6. Step 6: Final answer
    x = 970,771.77

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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.