Home / 4,155,855.40-6,238,448.70-3,213,404.20

Finding the Fourth Proportional to 4,155,855.40, 6,238,448.70 and 3,213,404.20

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Solution

The fourth proportional to 4,155,855.40, 6,238,448.70 and 3,213,404.20 is: 4,823,713.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155,855.40 : 6,238,448.70 = 3,213,404.20 : x
  2. Step 2: Convert to fraction form
    4,155,855.40/6,238,448.70 = 3,213,404.20/x
  3. Step 3: Cross multiply
    4,155,855.40x = 6,238,448.70 × 3,213,404.20
  4. Step 4: Simplify right side
    4,155,855.40x = 20,046,657,254,064.54
  5. Step 5: Solve for x
    x = 20,046,657,254,064.54/4,155,855.40
  6. Step 6: Final answer
    x = 4,823,713.85

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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.