Home / 3,641,849.49-5,464,385.78-1,912,312.49

Finding the Fourth Proportional to 3,641,849.49, 5,464,385.78 and 1,912,312.49

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Solution

The fourth proportional to 3,641,849.49, 5,464,385.78 and 1,912,312.49 is: 2,869,314.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,641,849.49 : 5,464,385.78 = 1,912,312.49 : x
  2. Step 2: Convert to fraction form
    3,641,849.49/5,464,385.78 = 1,912,312.49/x
  3. Step 3: Cross multiply
    3,641,849.49x = 5,464,385.78 × 1,912,312.49
  4. Step 4: Simplify right side
    3,641,849.49x = 10,449,613,140,388.90
  5. Step 5: Solve for x
    x = 10,449,613,140,388.90/3,641,849.49
  6. Step 6: Final answer
    x = 2,869,314.94

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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.