Home / 3,642,619.54-5,022,141.89-2,986,829.46

Finding the Fourth Proportional to 3,642,619.54, 5,022,141.89 and 2,986,829.46

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Solution

The fourth proportional to 3,642,619.54, 5,022,141.89 and 2,986,829.46 is: 4,117,992.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642,619.54 : 5,022,141.89 = 2,986,829.46 : x
  2. Step 2: Convert to fraction form
    3,642,619.54/5,022,141.89 = 2,986,829.46/x
  3. Step 3: Cross multiply
    3,642,619.54x = 5,022,141.89 × 2,986,829.46
  4. Step 4: Simplify right side
    3,642,619.54x = 15,000,281,349,352.08
  5. Step 5: Solve for x
    x = 15,000,281,349,352.08/3,642,619.54
  6. Step 6: Final answer
    x = 4,117,992.89

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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.