Home / 2,191,858.80-3,285,455.40-843,500.40

Finding the Fourth Proportional to 2,191,858.80, 3,285,455.40 and 843,500.40

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Solution

The fourth proportional to 2,191,858.80, 3,285,455.40 and 843,500.40 is: 1,264,352.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,858.80 : 3,285,455.40 = 843,500.40 : x
  2. Step 2: Convert to fraction form
    2,191,858.80/3,285,455.40 = 843,500.40/x
  3. Step 3: Cross multiply
    2,191,858.80x = 3,285,455.40 × 843,500.40
  4. Step 4: Simplify right side
    2,191,858.80x = 2,771,282,944,082.16
  5. Step 5: Solve for x
    x = 2,771,282,944,082.16/2,191,858.80
  6. Step 6: Final answer
    x = 1,264,352.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.