Home / 6,619,428.76-9,929,713.14-1,827,118.84

Finding the Fourth Proportional to 6,619,428.76, 9,929,713.14 and 1,827,118.84

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Solution

The fourth proportional to 6,619,428.76, 9,929,713.14 and 1,827,118.84 is: 2,740,835.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619,428.76 : 9,929,713.14 = 1,827,118.84 : x
  2. Step 2: Convert to fraction form
    6,619,428.76/9,929,713.14 = 1,827,118.84/x
  3. Step 3: Cross multiply
    6,619,428.76x = 9,929,713.14 × 1,827,118.84
  4. Step 4: Simplify right side
    6,619,428.76x = 18,142,765,953,889.56
  5. Step 5: Solve for x
    x = 18,142,765,953,889.56/6,619,428.76
  6. Step 6: Final answer
    x = 2,740,835.59

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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.