Home / 1,869,316.75-2,803,974.10-449,372.38

Finding the Fourth Proportional to 1,869,316.75, 2,803,974.10 and 449,372.38

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Solution

The fourth proportional to 1,869,316.75, 2,803,974.10 and 449,372.38 is: 674,058.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,316.75 : 2,803,974.10 = 449,372.38 : x
  2. Step 2: Convert to fraction form
    1,869,316.75/2,803,974.10 = 449,372.38/x
  3. Step 3: Cross multiply
    1,869,316.75x = 2,803,974.10 × 449,372.38
  4. Step 4: Simplify right side
    1,869,316.75x = 1,260,028,514,775.36
  5. Step 5: Solve for x
    x = 1,260,028,514,775.36/1,869,316.75
  6. Step 6: Final answer
    x = 674,058.32

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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.