Home / 2,912,709.70-4,369,064.55-1,904,940.10

Finding the Fourth Proportional to 2,912,709.70, 4,369,064.55 and 1,904,940.10

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Solution

The fourth proportional to 2,912,709.70, 4,369,064.55 and 1,904,940.10 is: 2,857,410.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,709.70 : 4,369,064.55 = 1,904,940.10 : x
  2. Step 2: Convert to fraction form
    2,912,709.70/4,369,064.55 = 1,904,940.10/x
  3. Step 3: Cross multiply
    2,912,709.70x = 4,369,064.55 × 1,904,940.10
  4. Step 4: Simplify right side
    2,912,709.70x = 8,322,806,260,783.46
  5. Step 5: Solve for x
    x = 8,322,806,260,783.46/2,912,709.70
  6. Step 6: Final answer
    x = 2,857,410.15

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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.