Home / 1,915,523.64-2,643,333.75-1,099,168.38

Finding the Fourth Proportional to 1,915,523.64, 2,643,333.75 and 1,099,168.38

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Solution

The fourth proportional to 1,915,523.64, 2,643,333.75 and 1,099,168.38 is: 1,516,801.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,523.64 : 2,643,333.75 = 1,099,168.38 : x
  2. Step 2: Convert to fraction form
    1,915,523.64/2,643,333.75 = 1,099,168.38/x
  3. Step 3: Cross multiply
    1,915,523.64x = 2,643,333.75 × 1,099,168.38
  4. Step 4: Simplify right side
    1,915,523.64x = 2,905,468,875,786.83
  5. Step 5: Solve for x
    x = 2,905,468,875,786.83/1,915,523.64
  6. Step 6: Final answer
    x = 1,516,801.37

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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.