Home / 2,112,515.20-3,164,107.20-849,692.80

Finding the Fourth Proportional to 2,112,515.20, 3,164,107.20 and 849,692.80

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Solution

The fourth proportional to 2,112,515.20, 3,164,107.20 and 849,692.80 is: 1,272,662.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,515.20 : 3,164,107.20 = 849,692.80 : x
  2. Step 2: Convert to fraction form
    2,112,515.20/3,164,107.20 = 849,692.80/x
  3. Step 3: Cross multiply
    2,112,515.20x = 3,164,107.20 × 849,692.80
  4. Step 4: Simplify right side
    2,112,515.20x = 2,688,519,106,268.16
  5. Step 5: Solve for x
    x = 2,688,519,106,268.16/2,112,515.20
  6. Step 6: Final answer
    x = 1,272,662.61

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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.