Home / 2,938,551.26-4,054,978.34-1,649,142.54

Finding the Fourth Proportional to 2,938,551.26, 4,054,978.34 and 1,649,142.54

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Solution

The fourth proportional to 2,938,551.26, 4,054,978.34 and 1,649,142.54 is: 2,275,691.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938,551.26 : 4,054,978.34 = 1,649,142.54 : x
  2. Step 2: Convert to fraction form
    2,938,551.26/4,054,978.34 = 1,649,142.54/x
  3. Step 3: Cross multiply
    2,938,551.26x = 4,054,978.34 × 1,649,142.54
  4. Step 4: Simplify right side
    2,938,551.26x = 6,687,237,279,272.58
  5. Step 5: Solve for x
    x = 6,687,237,279,272.58/2,938,551.26
  6. Step 6: Final answer
    x = 2,275,691.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.