Home / 1,876,200.35-2,589,434.28-1,187,936.28

Finding the Fourth Proportional to 1,876,200.35, 2,589,434.28 and 1,187,936.28

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Solution

The fourth proportional to 1,876,200.35, 2,589,434.28 and 1,187,936.28 is: 1,639,527.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876,200.35 : 2,589,434.28 = 1,187,936.28 : x
  2. Step 2: Convert to fraction form
    1,876,200.35/2,589,434.28 = 1,187,936.28/x
  3. Step 3: Cross multiply
    1,876,200.35x = 2,589,434.28 × 1,187,936.28
  4. Step 4: Simplify right side
    1,876,200.35x = 3,076,082,925,887.68
  5. Step 5: Solve for x
    x = 3,076,082,925,887.68/1,876,200.35
  6. Step 6: Final answer
    x = 1,639,527.96

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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.