Home / 3,678,058.32-5,512,415.40-1,654,140.48

Finding the Fourth Proportional to 3,678,058.32, 5,512,415.40 and 1,654,140.48

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Solution

The fourth proportional to 3,678,058.32, 5,512,415.40 and 1,654,140.48 is: 2,479,109.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678,058.32 : 5,512,415.40 = 1,654,140.48 : x
  2. Step 2: Convert to fraction form
    3,678,058.32/5,512,415.40 = 1,654,140.48/x
  3. Step 3: Cross multiply
    3,678,058.32x = 5,512,415.40 × 1,654,140.48
  4. Step 4: Simplify right side
    3,678,058.32x = 9,118,309,455,715.39
  5. Step 5: Solve for x
    x = 9,118,309,455,715.39/3,678,058.32
  6. Step 6: Final answer
    x = 2,479,109.54

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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.