Home / 3,407,731.40-5,122,094.70-3,218,774.60

Finding the Fourth Proportional to 3,407,731.40, 5,122,094.70 and 3,218,774.60

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Solution

The fourth proportional to 3,407,731.40, 5,122,094.70 and 3,218,774.60 is: 4,838,077.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407,731.40 : 5,122,094.70 = 3,218,774.60 : x
  2. Step 2: Convert to fraction form
    3,407,731.40/5,122,094.70 = 3,218,774.60/x
  3. Step 3: Cross multiply
    3,407,731.40x = 5,122,094.70 × 3,218,774.60
  4. Step 4: Simplify right side
    3,407,731.40x = 16,486,868,319,154.62
  5. Step 5: Solve for x
    x = 16,486,868,319,154.62/3,407,731.40
  6. Step 6: Final answer
    x = 4,838,077.41

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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.