Home / 2,636,578.80-3,954,868.20-642,034.80

Finding the Fourth Proportional to 2,636,578.80, 3,954,868.20 and 642,034.80

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Solution

The fourth proportional to 2,636,578.80, 3,954,868.20 and 642,034.80 is: 963,052.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636,578.80 : 3,954,868.20 = 642,034.80 : x
  2. Step 2: Convert to fraction form
    2,636,578.80/3,954,868.20 = 642,034.80/x
  3. Step 3: Cross multiply
    2,636,578.80x = 3,954,868.20 × 642,034.80
  4. Step 4: Simplify right side
    2,636,578.80x = 2,539,163,013,813.36
  5. Step 5: Solve for x
    x = 2,539,163,013,813.36/2,636,578.80
  6. Step 6: Final answer
    x = 963,052.20

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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.