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Finding the Fourth Proportional to 4,996,991.64, 6,895,850.76 and 2,705,152.32

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Solution

The fourth proportional to 4,996,991.64, 6,895,850.76 and 2,705,152.32 is: 3,733,111.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,996,991.64 : 6,895,850.76 = 2,705,152.32 : x
  2. Step 2: Convert to fraction form
    4,996,991.64/6,895,850.76 = 2,705,152.32/x
  3. Step 3: Cross multiply
    4,996,991.64x = 6,895,850.76 × 2,705,152.32
  4. Step 4: Simplify right side
    4,996,991.64x = 18,654,326,681,787.76
  5. Step 5: Solve for x
    x = 18,654,326,681,787.76/4,996,991.64
  6. Step 6: Final answer
    x = 3,733,111.44

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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.