Home / 4,680,724.80-7,021,087.20-1,839,374.40

Finding the Fourth Proportional to 4,680,724.80, 7,021,087.20 and 1,839,374.40

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Solution

The fourth proportional to 4,680,724.80, 7,021,087.20 and 1,839,374.40 is: 2,759,061.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680,724.80 : 7,021,087.20 = 1,839,374.40 : x
  2. Step 2: Convert to fraction form
    4,680,724.80/7,021,087.20 = 1,839,374.40/x
  3. Step 3: Cross multiply
    4,680,724.80x = 7,021,087.20 × 1,839,374.40
  4. Step 4: Simplify right side
    4,680,724.80x = 12,914,408,055,847.68
  5. Step 5: Solve for x
    x = 12,914,408,055,847.68/4,680,724.80
  6. Step 6: Final answer
    x = 2,759,061.60

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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.