Home / 4,212,362.61-5,813,056.44-2,278,618.74

Finding the Fourth Proportional to 4,212,362.61, 5,813,056.44 and 2,278,618.74

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Solution

The fourth proportional to 4,212,362.61, 5,813,056.44 and 2,278,618.74 is: 3,144,491.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212,362.61 : 5,813,056.44 = 2,278,618.74 : x
  2. Step 2: Convert to fraction form
    4,212,362.61/5,813,056.44 = 2,278,618.74/x
  3. Step 3: Cross multiply
    4,212,362.61x = 5,813,056.44 × 2,278,618.74
  4. Step 4: Simplify right side
    4,212,362.61x = 13,245,739,340,861.69
  5. Step 5: Solve for x
    x = 13,245,739,340,861.69/4,212,362.61
  6. Step 6: Final answer
    x = 3,144,491.72

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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.