Home / 3,107,822.51-4,661,290.89-977,851.28

Finding the Fourth Proportional to 3,107,822.51, 4,661,290.89 and 977,851.28

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Solution

The fourth proportional to 3,107,822.51, 4,661,290.89 and 977,851.28 is: 1,466,637.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107,822.51 : 4,661,290.89 = 977,851.28 : x
  2. Step 2: Convert to fraction form
    3,107,822.51/4,661,290.89 = 977,851.28/x
  3. Step 3: Cross multiply
    3,107,822.51x = 4,661,290.89 × 977,851.28
  4. Step 4: Simplify right side
    3,107,822.51x = 4,558,049,239,932.39
  5. Step 5: Solve for x
    x = 4,558,049,239,932.39/3,107,822.51
  6. Step 6: Final answer
    x = 1,466,637.57

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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.