Home / 2,056,619.26-2,838,114.86-1,185,133.78

Finding the Fourth Proportional to 2,056,619.26, 2,838,114.86 and 1,185,133.78

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Solution

The fourth proportional to 2,056,619.26, 2,838,114.86 and 1,185,133.78 is: 1,635,473.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,056,619.26 : 2,838,114.86 = 1,185,133.78 : x
  2. Step 2: Convert to fraction form
    2,056,619.26/2,838,114.86 = 1,185,133.78/x
  3. Step 3: Cross multiply
    2,056,619.26x = 2,838,114.86 × 1,185,133.78
  4. Step 4: Simplify right side
    2,056,619.26x = 3,363,545,789,727.95
  5. Step 5: Solve for x
    x = 3,363,545,789,727.95/2,056,619.26
  6. Step 6: Final answer
    x = 1,635,473.25

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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.