Home / 5,123,141.46-7,069,946.49-2,800,071.18

Finding the Fourth Proportional to 5,123,141.46, 7,069,946.49 and 2,800,071.18

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Solution

The fourth proportional to 5,123,141.46, 7,069,946.49 and 2,800,071.18 is: 3,864,104.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,123,141.46 : 7,069,946.49 = 2,800,071.18 : x
  2. Step 2: Convert to fraction form
    5,123,141.46/7,069,946.49 = 2,800,071.18/x
  3. Step 3: Cross multiply
    5,123,141.46x = 7,069,946.49 × 2,800,071.18
  4. Step 4: Simplify right side
    5,123,141.46x = 19,796,353,410,791.16
  5. Step 5: Solve for x
    x = 19,796,353,410,791.16/5,123,141.46
  6. Step 6: Final answer
    x = 3,864,104.39

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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.