Home / 5,340,018.81-7,369,074.07-3,134,846.21

Finding the Fourth Proportional to 5,340,018.81, 7,369,074.07 and 3,134,846.21

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Solution

The fourth proportional to 5,340,018.81, 7,369,074.07 and 3,134,846.21 is: 4,325,998.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340,018.81 : 7,369,074.07 = 3,134,846.21 : x
  2. Step 2: Convert to fraction form
    5,340,018.81/7,369,074.07 = 3,134,846.21/x
  3. Step 3: Cross multiply
    5,340,018.81x = 7,369,074.07 × 3,134,846.21
  4. Step 4: Simplify right side
    5,340,018.81x = 23,100,913,892,499.80
  5. Step 5: Solve for x
    x = 23,100,913,892,499.80/5,340,018.81
  6. Step 6: Final answer
    x = 4,325,998.60

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1.5x scale

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.