Home / 2,150,549.20-3,225,823.80-654,638.80

Finding the Fourth Proportional to 2,150,549.20, 3,225,823.80 and 654,638.80

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Solution

The fourth proportional to 2,150,549.20, 3,225,823.80 and 654,638.80 is: 981,958.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,150,549.20 : 3,225,823.80 = 654,638.80 : x
  2. Step 2: Convert to fraction form
    2,150,549.20/3,225,823.80 = 654,638.80/x
  3. Step 3: Cross multiply
    2,150,549.20x = 3,225,823.80 × 654,638.80
  4. Step 4: Simplify right side
    2,150,549.20x = 2,111,749,421,443.44
  5. Step 5: Solve for x
    x = 2,111,749,421,443.44/2,150,549.20
  6. Step 6: Final answer
    x = 981,958.20

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1.5x scale

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.