Home / 1,915,463.93-2,643,339.36-1,099,720.22

Finding the Fourth Proportional to 1,915,463.93, 2,643,339.36 and 1,099,720.22

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Solution

The fourth proportional to 1,915,463.93, 2,643,339.36 and 1,099,720.22 is: 1,517,613.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,463.93 : 2,643,339.36 = 1,099,720.22 : x
  2. Step 2: Convert to fraction form
    1,915,463.93/2,643,339.36 = 1,099,720.22/x
  3. Step 3: Cross multiply
    1,915,463.93x = 2,643,339.36 × 1,099,720.22
  4. Step 4: Simplify right side
    1,915,463.93x = 2,906,933,729,297.16
  5. Step 5: Solve for x
    x = 2,906,933,729,297.16/1,915,463.93
  6. Step 6: Final answer
    x = 1,517,613.40

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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.