Home / 7,619,284.72-11,428,991.16-1,939,510

Finding the Fourth Proportional to 7,619,284.72, 11,428,991.16 and 1,939,510

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Solution

The fourth proportional to 7,619,284.72, 11,428,991.16 and 1,939,510 is: 2,909,281.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619,284.72 : 11,428,991.16 = 1,939,510 : x
  2. Step 2: Convert to fraction form
    7,619,284.72/11,428,991.16 = 1,939,510/x
  3. Step 3: Cross multiply
    7,619,284.72x = 11,428,991.16 × 1,939,510
  4. Step 4: Simplify right side
    7,619,284.72x = 22,166,642,644,731.60
  5. Step 5: Solve for x
    x = 22,166,642,644,731.60/7,619,284.72
  6. Step 6: Final answer
    x = 2,909,281.31

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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.