Home / 3,428,466.40-5,139,200.40-2,007,791.20

Finding the Fourth Proportional to 3,428,466.40, 5,139,200.40 and 2,007,791.20

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Solution

The fourth proportional to 3,428,466.40, 5,139,200.40 and 2,007,791.20 is: 3,009,637.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428,466.40 : 5,139,200.40 = 2,007,791.20 : x
  2. Step 2: Convert to fraction form
    3,428,466.40/5,139,200.40 = 2,007,791.20/x
  3. Step 3: Cross multiply
    3,428,466.40x = 5,139,200.40 × 2,007,791.20
  4. Step 4: Simplify right side
    3,428,466.40x = 10,318,441,338,156.48
  5. Step 5: Solve for x
    x = 10,318,441,338,156.48/3,428,466.40
  6. Step 6: Final answer
    x = 3,009,637.59

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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.