Home / 6,428,551.86-9,642,237.26-2,168,757

Finding the Fourth Proportional to 6,428,551.86, 9,642,237.26 and 2,168,757

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Solution

The fourth proportional to 6,428,551.86, 9,642,237.26 and 2,168,757 is: 3,252,936.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428,551.86 : 9,642,237.26 = 2,168,757 : x
  2. Step 2: Convert to fraction form
    6,428,551.86/9,642,237.26 = 2,168,757/x
  3. Step 3: Cross multiply
    6,428,551.86x = 9,642,237.26 × 2,168,757
  4. Step 4: Simplify right side
    6,428,551.86x = 20,911,669,542,442.04
  5. Step 5: Solve for x
    x = 20,911,669,542,442.04/6,428,551.86
  6. Step 6: Final answer
    x = 3,252,936.28

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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.