Home / 3,611,577.07-4,983,975.16-1,979,949.43

Finding the Fourth Proportional to 3,611,577.07, 4,983,975.16 and 1,979,949.43

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Solution

The fourth proportional to 3,611,577.07, 4,983,975.16 and 1,979,949.43 is: 2,732,329.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611,577.07 : 4,983,975.16 = 1,979,949.43 : x
  2. Step 2: Convert to fraction form
    3,611,577.07/4,983,975.16 = 1,979,949.43/x
  3. Step 3: Cross multiply
    3,611,577.07x = 4,983,975.16 × 1,979,949.43
  4. Step 4: Simplify right side
    3,611,577.07x = 9,868,018,759,766.35
  5. Step 5: Solve for x
    x = 9,868,018,759,766.35/3,611,577.07
  6. Step 6: Final answer
    x = 2,732,329.55

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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.