Home / 3,455,071.92-5,182,918.80-930,671.28

Finding the Fourth Proportional to 3,455,071.92, 5,182,918.80 and 930,671.28

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Solution

The fourth proportional to 3,455,071.92, 5,182,918.80 and 930,671.28 is: 1,396,090.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455,071.92 : 5,182,918.80 = 930,671.28 : x
  2. Step 2: Convert to fraction form
    3,455,071.92/5,182,918.80 = 930,671.28/x
  3. Step 3: Cross multiply
    3,455,071.92x = 5,182,918.80 × 930,671.28
  4. Step 4: Simplify right side
    3,455,071.92x = 4,823,593,673,732.06
  5. Step 5: Solve for x
    x = 4,823,593,673,732.06/3,455,071.92
  6. Step 6: Final answer
    x = 1,396,090.67

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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.