Home / 1,899,375.04-2,621,137.92-1,039,990.72

Finding the Fourth Proportional to 1,899,375.04, 2,621,137.92 and 1,039,990.72

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Solution

The fourth proportional to 1,899,375.04, 2,621,137.92 and 1,039,990.72 is: 1,435,187.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,375.04 : 2,621,137.92 = 1,039,990.72 : x
  2. Step 2: Convert to fraction form
    1,899,375.04/2,621,137.92 = 1,039,990.72/x
  3. Step 3: Cross multiply
    1,899,375.04x = 2,621,137.92 × 1,039,990.72
  4. Step 4: Simplify right side
    1,899,375.04x = 2,725,959,112,640.10
  5. Step 5: Solve for x
    x = 2,725,959,112,640.10/1,899,375.04
  6. Step 6: Final answer
    x = 1,435,187.39

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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.