Home / 1,838,278.94-2,535,043.77-1,226,456.64

Finding the Fourth Proportional to 1,838,278.94, 2,535,043.77 and 1,226,456.64

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Solution

The fourth proportional to 1,838,278.94, 2,535,043.77 and 1,226,456.64 is: 1,691,321.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838,278.94 : 2,535,043.77 = 1,226,456.64 : x
  2. Step 2: Convert to fraction form
    1,838,278.94/2,535,043.77 = 1,226,456.64/x
  3. Step 3: Cross multiply
    1,838,278.94x = 2,535,043.77 × 1,226,456.64
  4. Step 4: Simplify right side
    1,838,278.94x = 3,109,121,264,407.13
  5. Step 5: Solve for x
    x = 3,109,121,264,407.13/1,838,278.94
  6. Step 6: Final answer
    x = 1,691,321.81

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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.