Home / 4,068,970.79-5,619,839.94-2,679,742.58

Finding the Fourth Proportional to 4,068,970.79, 5,619,839.94 and 2,679,742.58

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Solution

The fourth proportional to 4,068,970.79, 5,619,839.94 and 2,679,742.58 is: 3,701,113.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,068,970.79 : 5,619,839.94 = 2,679,742.58 : x
  2. Step 2: Convert to fraction form
    4,068,970.79/5,619,839.94 = 2,679,742.58/x
  3. Step 3: Cross multiply
    4,068,970.79x = 5,619,839.94 × 2,679,742.58
  4. Step 4: Simplify right side
    4,068,970.79x = 15,059,724,351,903.45
  5. Step 5: Solve for x
    x = 15,059,724,351,903.45/4,068,970.79
  6. Step 6: Final answer
    x = 3,701,113.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.