Home / 1,899,608.20-2,621,488.32-1,040,248.42

Finding the Fourth Proportional to 1,899,608.20, 2,621,488.32 and 1,040,248.42

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Solution

The fourth proportional to 1,899,608.20, 2,621,488.32 and 1,040,248.42 is: 1,435,558.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,608.20 : 2,621,488.32 = 1,040,248.42 : x
  2. Step 2: Convert to fraction form
    1,899,608.20/2,621,488.32 = 1,040,248.42/x
  3. Step 3: Cross multiply
    1,899,608.20x = 2,621,488.32 × 1,040,248.42
  4. Step 4: Simplify right side
    1,899,608.20x = 2,726,999,076,374.73
  5. Step 5: Solve for x
    x = 2,726,999,076,374.73/1,899,608.20
  6. Step 6: Final answer
    x = 1,435,558.70

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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.