Home / 1,915,464.93-2,643,340.74-1,099,721.22

Finding the Fourth Proportional to 1,915,464.93, 2,643,340.74 and 1,099,721.22

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Solution

The fourth proportional to 1,915,464.93, 2,643,340.74 and 1,099,721.22 is: 1,517,614.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,464.93 : 2,643,340.74 = 1,099,721.22 : x
  2. Step 2: Convert to fraction form
    1,915,464.93/2,643,340.74 = 1,099,721.22/x
  3. Step 3: Cross multiply
    1,915,464.93x = 2,643,340.74 × 1,099,721.22
  4. Step 4: Simplify right side
    1,915,464.93x = 2,906,937,903,468.50
  5. Step 5: Solve for x
    x = 2,906,937,903,468.50/1,915,464.93
  6. Step 6: Final answer
    x = 1,517,614.79

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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.