Home / 3,878,359.61-5,809,676.87-1,798,138.53

Finding the Fourth Proportional to 3,878,359.61, 5,809,676.87 and 1,798,138.53

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Solution

The fourth proportional to 3,878,359.61, 5,809,676.87 and 1,798,138.53 is: 2,693,562.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,359.61 : 5,809,676.87 = 1,798,138.53 : x
  2. Step 2: Convert to fraction form
    3,878,359.61/5,809,676.87 = 1,798,138.53/x
  3. Step 3: Cross multiply
    3,878,359.61x = 5,809,676.87 × 1,798,138.53
  4. Step 4: Simplify right side
    3,878,359.61x = 10,446,603,831,292.15
  5. Step 5: Solve for x
    x = 10,446,603,831,292.15/3,878,359.61
  6. Step 6: Final answer
    x = 2,693,562.46

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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.