Home / 5,718,608.78-8,578,189.05-1,880,346.22

Finding the Fourth Proportional to 5,718,608.78, 8,578,189.05 and 1,880,346.22

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Solution

The fourth proportional to 5,718,608.78, 8,578,189.05 and 1,880,346.22 is: 2,820,610.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718,608.78 : 8,578,189.05 = 1,880,346.22 : x
  2. Step 2: Convert to fraction form
    5,718,608.78/8,578,189.05 = 1,880,346.22/x
  3. Step 3: Cross multiply
    5,718,608.78x = 8,578,189.05 × 1,880,346.22
  4. Step 4: Simplify right side
    5,718,608.78x = 16,129,965,302,320.21
  5. Step 5: Solve for x
    x = 16,129,965,302,320.21/5,718,608.78
  6. Step 6: Final answer
    x = 2,820,610.04

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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.