Home / 1,876,202.98-2,589,437.77-1,187,938.80

Finding the Fourth Proportional to 1,876,202.98, 2,589,437.77 and 1,187,938.80

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Solution

The fourth proportional to 1,876,202.98, 2,589,437.77 and 1,187,938.80 is: 1,639,531.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876,202.98 : 2,589,437.77 = 1,187,938.80 : x
  2. Step 2: Convert to fraction form
    1,876,202.98/2,589,437.77 = 1,187,938.80/x
  3. Step 3: Cross multiply
    1,876,202.98x = 2,589,437.77 × 1,187,938.80
  4. Step 4: Simplify right side
    1,876,202.98x = 3,076,093,594,198.63
  5. Step 5: Solve for x
    x = 3,076,093,594,198.63/1,876,202.98
  6. Step 6: Final answer
    x = 1,639,531.35

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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.