Home / 3,213,426.70-4,820,119.24-817,250.62

Finding the Fourth Proportional to 3,213,426.70, 4,820,119.24 and 817,250.62

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Solution

The fourth proportional to 3,213,426.70, 4,820,119.24 and 817,250.62 is: 1,225,870.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213,426.70 : 4,820,119.24 = 817,250.62 : x
  2. Step 2: Convert to fraction form
    3,213,426.70/4,820,119.24 = 817,250.62/x
  3. Step 3: Cross multiply
    3,213,426.70x = 4,820,119.24 × 817,250.62
  4. Step 4: Simplify right side
    3,213,426.70x = 3,939,245,437,363.93
  5. Step 5: Solve for x
    x = 3,939,245,437,363.93/3,213,426.70
  6. Step 6: Final answer
    x = 1,225,870.64

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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.