Home / 3,891,167.47-5,369,403.31-2,259,256.09

Finding the Fourth Proportional to 3,891,167.47, 5,369,403.31 and 2,259,256.09

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Solution

The fourth proportional to 3,891,167.47, 5,369,403.31 and 2,259,256.09 is: 3,117,536.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,891,167.47 : 5,369,403.31 = 2,259,256.09 : x
  2. Step 2: Convert to fraction form
    3,891,167.47/5,369,403.31 = 2,259,256.09/x
  3. Step 3: Cross multiply
    3,891,167.47x = 5,369,403.31 × 2,259,256.09
  4. Step 4: Simplify right side
    3,891,167.47x = 12,130,857,119,171.52
  5. Step 5: Solve for x
    x = 12,130,857,119,171.52/3,891,167.47
  6. Step 6: Final answer
    x = 3,117,536.63

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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.