Home / 2,239,665.76-3,360,891.84-909,969.76

Finding the Fourth Proportional to 2,239,665.76, 3,360,891.84 and 909,969.76

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Solution

The fourth proportional to 2,239,665.76, 3,360,891.84 and 909,969.76 is: 1,365,520.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239,665.76 : 3,360,891.84 = 909,969.76 : x
  2. Step 2: Convert to fraction form
    2,239,665.76/3,360,891.84 = 909,969.76/x
  3. Step 3: Cross multiply
    2,239,665.76x = 3,360,891.84 × 909,969.76
  4. Step 4: Simplify right side
    2,239,665.76x = 3,058,309,941,030.76
  5. Step 5: Solve for x
    x = 3,058,309,941,030.76/2,239,665.76
  6. Step 6: Final answer
    x = 1,365,520.69

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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.