Home / 3,662,803.31-5,493,456.77-1,387,543.28

Finding the Fourth Proportional to 3,662,803.31, 5,493,456.77 and 1,387,543.28

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Solution

The fourth proportional to 3,662,803.31, 5,493,456.77 and 1,387,543.28 is: 2,081,031.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,662,803.31 : 5,493,456.77 = 1,387,543.28 : x
  2. Step 2: Convert to fraction form
    3,662,803.31/5,493,456.77 = 1,387,543.28/x
  3. Step 3: Cross multiply
    3,662,803.31x = 5,493,456.77 × 1,387,543.28
  4. Step 4: Simplify right side
    3,662,803.31x = 7,622,408,990,779.01
  5. Step 5: Solve for x
    x = 7,622,408,990,779.01/3,662,803.31
  6. Step 6: Final answer
    x = 2,081,031.48

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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.