Home / 3,905,876.62-5,390,196.55-2,229,425.93

Finding the Fourth Proportional to 3,905,876.62, 5,390,196.55 and 2,229,425.93

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Solution

The fourth proportional to 3,905,876.62, 5,390,196.55 and 2,229,425.93 is: 3,076,657.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905,876.62 : 5,390,196.55 = 2,229,425.93 : x
  2. Step 2: Convert to fraction form
    3,905,876.62/5,390,196.55 = 2,229,425.93/x
  3. Step 3: Cross multiply
    3,905,876.62x = 5,390,196.55 × 2,229,425.93
  4. Step 4: Simplify right side
    3,905,876.62x = 12,017,043,946,489.13
  5. Step 5: Solve for x
    x = 12,017,043,946,489.13/3,905,876.62
  6. Step 6: Final answer
    x = 3,076,657.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.