Home / 2,636,576.80-3,954,865.20-642,032.80

Finding the Fourth Proportional to 2,636,576.80, 3,954,865.20 and 642,032.80

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Solution

The fourth proportional to 2,636,576.80, 3,954,865.20 and 642,032.80 is: 963,049.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636,576.80 : 3,954,865.20 = 642,032.80 : x
  2. Step 2: Convert to fraction form
    2,636,576.80/3,954,865.20 = 642,032.80/x
  3. Step 3: Cross multiply
    2,636,576.80x = 3,954,865.20 × 642,032.80
  4. Step 4: Simplify right side
    2,636,576.80x = 2,539,153,177,978.56
  5. Step 5: Solve for x
    x = 2,539,153,177,978.56/2,636,576.80
  6. Step 6: Final answer
    x = 963,049.20

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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.