Home / 1,869,917.49-2,804,876.10-449,973.72

Finding the Fourth Proportional to 1,869,917.49, 2,804,876.10 and 449,973.72

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Solution

The fourth proportional to 1,869,917.49, 2,804,876.10 and 449,973.72 is: 674,960.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,917.49 : 2,804,876.10 = 449,973.72 : x
  2. Step 2: Convert to fraction form
    1,869,917.49/2,804,876.10 = 449,973.72/x
  3. Step 3: Cross multiply
    1,869,917.49x = 2,804,876.10 × 449,973.72
  4. Step 4: Simplify right side
    1,869,917.49x = 1,262,120,532,856.09
  5. Step 5: Solve for x
    x = 1,262,120,532,856.09/1,869,917.49
  6. Step 6: Final answer
    x = 674,960.55

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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.