Home / 2,039,644.23-2,814,513.72-1,121,858.74

Finding the Fourth Proportional to 2,039,644.23, 2,814,513.72 and 1,121,858.74

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Solution

The fourth proportional to 2,039,644.23, 2,814,513.72 and 1,121,858.74 is: 1,548,057.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039,644.23 : 2,814,513.72 = 1,121,858.74 : x
  2. Step 2: Convert to fraction form
    2,039,644.23/2,814,513.72 = 1,121,858.74/x
  3. Step 3: Cross multiply
    2,039,644.23x = 2,814,513.72 × 1,121,858.74
  4. Step 4: Simplify right side
    2,039,644.23x = 3,157,486,814,943.08
  5. Step 5: Solve for x
    x = 3,157,486,814,943.08/2,039,644.23
  6. Step 6: Final answer
    x = 1,548,057.63

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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.