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Finding the Fourth Proportional to 5,009,672.76, 6,913,361.76 and 2,717,833.44

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Solution

The fourth proportional to 5,009,672.76, 6,913,361.76 and 2,717,833.44 is: 3,750,617.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009,672.76 : 6,913,361.76 = 2,717,833.44 : x
  2. Step 2: Convert to fraction form
    5,009,672.76/6,913,361.76 = 2,717,833.44/x
  3. Step 3: Cross multiply
    5,009,672.76x = 6,913,361.76 × 2,717,833.44
  4. Step 4: Simplify right side
    5,009,672.76x = 18,789,365,774,145.25
  5. Step 5: Solve for x
    x = 18,789,365,774,145.25/5,009,672.76
  6. Step 6: Final answer
    x = 3,750,617.39

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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.