Home / 1,903,643.10-2,855,464.65-1,819,662.30

Finding the Fourth Proportional to 1,903,643.10, 2,855,464.65 and 1,819,662.30

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Solution

The fourth proportional to 1,903,643.10, 2,855,464.65 and 1,819,662.30 is: 2,729,493.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903,643.10 : 2,855,464.65 = 1,819,662.30 : x
  2. Step 2: Convert to fraction form
    1,903,643.10/2,855,464.65 = 1,819,662.30/x
  3. Step 3: Cross multiply
    1,903,643.10x = 2,855,464.65 × 1,819,662.30
  4. Step 4: Simplify right side
    1,903,643.10x = 5,195,981,372,587.70
  5. Step 5: Solve for x
    x = 5,195,981,372,587.70/1,903,643.10
  6. Step 6: Final answer
    x = 2,729,493.45

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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.