Home / 2,631,692.60-3,944,477.10-1,211,892.20

Finding the Fourth Proportional to 2,631,692.60, 3,944,477.10 and 1,211,892.20

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Solution

The fourth proportional to 2,631,692.60, 3,944,477.10 and 1,211,892.20 is: 1,816,428.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,692.60 : 3,944,477.10 = 1,211,892.20 : x
  2. Step 2: Convert to fraction form
    2,631,692.60/3,944,477.10 = 1,211,892.20/x
  3. Step 3: Cross multiply
    2,631,692.60x = 3,944,477.10 × 1,211,892.20
  4. Step 4: Simplify right side
    2,631,692.60x = 4,780,281,030,568.62
  5. Step 5: Solve for x
    x = 4,780,281,030,568.62/2,631,692.60
  6. Step 6: Final answer
    x = 1,816,428.34

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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.