Home / 3,251,918.94-4,878,120.33-977,261.28

Finding the Fourth Proportional to 3,251,918.94, 4,878,120.33 and 977,261.28

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Solution

The fourth proportional to 3,251,918.94, 4,878,120.33 and 977,261.28 is: 1,465,964.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251,918.94 : 4,878,120.33 = 977,261.28 : x
  2. Step 2: Convert to fraction form
    3,251,918.94/4,878,120.33 = 977,261.28/x
  3. Step 3: Cross multiply
    3,251,918.94x = 4,878,120.33 × 977,261.28
  4. Step 4: Simplify right side
    3,251,918.94x = 4,767,198,117,689.82
  5. Step 5: Solve for x
    x = 4,767,198,117,689.82/3,251,918.94
  6. Step 6: Final answer
    x = 1,465,964.62

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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.