Home / 2,380,928.30-3,285,705.13-1,293,221.10

Finding the Fourth Proportional to 2,380,928.30, 3,285,705.13 and 1,293,221.10

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Solution

The fourth proportional to 2,380,928.30, 3,285,705.13 and 1,293,221.10 is: 1,784,658.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380,928.30 : 3,285,705.13 = 1,293,221.10 : x
  2. Step 2: Convert to fraction form
    2,380,928.30/3,285,705.13 = 1,293,221.10/x
  3. Step 3: Cross multiply
    2,380,928.30x = 3,285,705.13 × 1,293,221.10
  4. Step 4: Simplify right side
    2,380,928.30x = 4,249,143,202,494.24
  5. Step 5: Solve for x
    x = 4,249,143,202,494.24/2,380,928.30
  6. Step 6: Final answer
    x = 1,784,658.20

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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.