Home / 3,420,072.87-5,127,211.86-1,499,528.58

Finding the Fourth Proportional to 3,420,072.87, 5,127,211.86 and 1,499,528.58

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Solution

The fourth proportional to 3,420,072.87, 5,127,211.86 and 1,499,528.58 is: 2,248,022.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,072.87 : 5,127,211.86 = 1,499,528.58 : x
  2. Step 2: Convert to fraction form
    3,420,072.87/5,127,211.86 = 1,499,528.58/x
  3. Step 3: Cross multiply
    3,420,072.87x = 5,127,211.86 × 1,499,528.58
  4. Step 4: Simplify right side
    3,420,072.87x = 7,688,400,694,148.90
  5. Step 5: Solve for x
    x = 7,688,400,694,148.90/3,420,072.87
  6. Step 6: Final answer
    x = 2,248,022.48

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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.