Home / 3,407,965.40-5,122,445.70-3,219,008.60

Finding the Fourth Proportional to 3,407,965.40, 5,122,445.70 and 3,219,008.60

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Solution

The fourth proportional to 3,407,965.40, 5,122,445.70 and 3,219,008.60 is: 4,838,428.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407,965.40 : 5,122,445.70 = 3,219,008.60 : x
  2. Step 2: Convert to fraction form
    3,407,965.40/5,122,445.70 = 3,219,008.60/x
  3. Step 3: Cross multiply
    3,407,965.40x = 5,122,445.70 × 3,219,008.60
  4. Step 4: Simplify right side
    3,407,965.40x = 16,489,196,761,333.02
  5. Step 5: Solve for x
    x = 16,489,196,761,333.02/3,407,965.40
  6. Step 6: Final answer
    x = 4,838,428.45

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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.