Home / 5,638,275.66-7,779,694.89-3,431,660.56

Finding the Fourth Proportional to 5,638,275.66, 7,779,694.89 and 3,431,660.56

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Solution

The fourth proportional to 5,638,275.66, 7,779,694.89 and 3,431,660.56 is: 4,735,006.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,275.66 : 7,779,694.89 = 3,431,660.56 : x
  2. Step 2: Convert to fraction form
    5,638,275.66/7,779,694.89 = 3,431,660.56/x
  3. Step 3: Cross multiply
    5,638,275.66x = 7,779,694.89 × 3,431,660.56
  4. Step 4: Simplify right side
    5,638,275.66x = 26,697,272,122,846.54
  5. Step 5: Solve for x
    x = 26,697,272,122,846.54/5,638,275.66
  6. Step 6: Final answer
    x = 4,735,006.54

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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.