Home / 1,916,149.59-2,644,197.48-1,099,778.72

Finding the Fourth Proportional to 1,916,149.59, 2,644,197.48 and 1,099,778.72

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Solution

The fourth proportional to 1,916,149.59, 2,644,197.48 and 1,099,778.72 is: 1,517,643.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,149.59 : 2,644,197.48 = 1,099,778.72 : x
  2. Step 2: Convert to fraction form
    1,916,149.59/2,644,197.48 = 1,099,778.72/x
  3. Step 3: Cross multiply
    1,916,149.59x = 2,644,197.48 × 1,099,778.72
  4. Step 4: Simplify right side
    1,916,149.59x = 2,908,032,106,760.64
  5. Step 5: Solve for x
    x = 2,908,032,106,760.64/1,916,149.59
  6. Step 6: Final answer
    x = 1,517,643.57

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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.