Home / 5,078,990.45-7,618,465.16-1,839,770.00

Finding the Fourth Proportional to 5,078,990.45, 7,618,465.16 and 1,839,770.00

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Solution

The fourth proportional to 5,078,990.45, 7,618,465.16 and 1,839,770.00 is: 2,759,647.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078,990.45 : 7,618,465.16 = 1,839,770.00 : x
  2. Step 2: Convert to fraction form
    5,078,990.45/7,618,465.16 = 1,839,770.00/x
  3. Step 3: Cross multiply
    5,078,990.45x = 7,618,465.16 × 1,839,770.00
  4. Step 4: Simplify right side
    5,078,990.45x = 14,016,223,600,122.03
  5. Step 5: Solve for x
    x = 14,016,223,600,122.03/5,078,990.45
  6. Step 6: Final answer
    x = 2,759,647.56

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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.