Home / 1,995,032.22-2,992,969.17-647,090.16

Finding the Fourth Proportional to 1,995,032.22, 2,992,969.17 and 647,090.16

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Solution

The fourth proportional to 1,995,032.22, 2,992,969.17 and 647,090.16 is: 970,771.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,032.22 : 2,992,969.17 = 647,090.16 : x
  2. Step 2: Convert to fraction form
    1,995,032.22/2,992,969.17 = 647,090.16/x
  3. Step 3: Cross multiply
    1,995,032.22x = 2,992,969.17 × 647,090.16
  4. Step 4: Simplify right side
    1,995,032.22x = 1,936,720,899,090.37
  5. Step 5: Solve for x
    x = 1,936,720,899,090.37/1,995,032.22
  6. Step 6: Final answer
    x = 970,771.74

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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.