Home / 3,578,256-4,937,993.28-1,968,589.44

Finding the Fourth Proportional to 3,578,256, 4,937,993.28 and 1,968,589.44

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Solution

The fourth proportional to 3,578,256, 4,937,993.28 and 1,968,589.44 is: 2,716,653.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578,256 : 4,937,993.28 = 1,968,589.44 : x
  2. Step 2: Convert to fraction form
    3,578,256/4,937,993.28 = 1,968,589.44/x
  3. Step 3: Cross multiply
    3,578,256x = 4,937,993.28 × 1,968,589.44
  4. Step 4: Simplify right side
    3,578,256x = 9,720,881,425,798.96
  5. Step 5: Solve for x
    x = 9,720,881,425,798.96/3,578,256
  6. Step 6: Final answer
    x = 2,716,653.43

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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.