Home / 2,191,129.80-3,301,650.76-1,800,520.67

Finding the Fourth Proportional to 2,191,129.80, 3,301,650.76 and 1,800,520.67

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Solution

The fourth proportional to 2,191,129.80, 3,301,650.76 and 1,800,520.67 is: 2,713,070.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,129.80 : 3,301,650.76 = 1,800,520.67 : x
  2. Step 2: Convert to fraction form
    2,191,129.80/3,301,650.76 = 1,800,520.67/x
  3. Step 3: Cross multiply
    2,191,129.80x = 3,301,650.76 × 1,800,520.67
  4. Step 4: Simplify right side
    2,191,129.80x = 5,944,690,417,491.65
  5. Step 5: Solve for x
    x = 5,944,690,417,491.65/2,191,129.80
  6. Step 6: Final answer
    x = 2,713,070.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.