Home / 1,899,379.76-2,621,138.52-1,039,933.04

Finding the Fourth Proportional to 1,899,379.76, 2,621,138.52 and 1,039,933.04

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Solution

The fourth proportional to 1,899,379.76, 2,621,138.52 and 1,039,933.04 is: 1,435,104.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,379.76 : 2,621,138.52 = 1,039,933.04 : x
  2. Step 2: Convert to fraction form
    1,899,379.76/2,621,138.52 = 1,039,933.04/x
  3. Step 3: Cross multiply
    1,899,379.76x = 2,621,138.52 × 1,039,933.04
  4. Step 4: Simplify right side
    1,899,379.76x = 2,725,808,549,364.70
  5. Step 5: Solve for x
    x = 2,725,808,549,364.70/1,899,379.76
  6. Step 6: Final answer
    x = 1,435,104.56

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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.