Home / 4,161,568.78-6,245,896.11-1,638,995.50

Finding the Fourth Proportional to 4,161,568.78, 6,245,896.11 and 1,638,995.50

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Solution

The fourth proportional to 4,161,568.78, 6,245,896.11 and 1,638,995.50 is: 2,459,888.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,161,568.78 : 6,245,896.11 = 1,638,995.50 : x
  2. Step 2: Convert to fraction form
    4,161,568.78/6,245,896.11 = 1,638,995.50/x
  3. Step 3: Cross multiply
    4,161,568.78x = 6,245,896.11 × 1,638,995.50
  4. Step 4: Simplify right side
    4,161,568.78x = 10,236,995,617,757.51
  5. Step 5: Solve for x
    x = 10,236,995,617,757.51/4,161,568.78
  6. Step 6: Final answer
    x = 2,459,888.60

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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.