Home / 2,927,921.99-4,040,531.64-1,638,762.30

Finding the Fourth Proportional to 2,927,921.99, 4,040,531.64 and 1,638,762.30

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Solution

The fourth proportional to 2,927,921.99, 4,040,531.64 and 1,638,762.30 is: 2,261,491.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927,921.99 : 4,040,531.64 = 1,638,762.30 : x
  2. Step 2: Convert to fraction form
    2,927,921.99/4,040,531.64 = 1,638,762.30/x
  3. Step 3: Cross multiply
    2,927,921.99x = 4,040,531.64 × 1,638,762.30
  4. Step 4: Simplify right side
    2,927,921.99x = 6,621,470,923,589.17
  5. Step 5: Solve for x
    x = 6,621,470,923,589.17/2,927,921.99
  6. Step 6: Final answer
    x = 2,261,491.58

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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.