Home / 5,642,804.78-8,449,838.31-3,717,880.16

Finding the Fourth Proportional to 5,642,804.78, 8,449,838.31 and 3,717,880.16

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Solution

The fourth proportional to 5,642,804.78, 8,449,838.31 and 3,717,880.16 is: 5,567,353.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,642,804.78 : 8,449,838.31 = 3,717,880.16 : x
  2. Step 2: Convert to fraction form
    5,642,804.78/8,449,838.31 = 3,717,880.16/x
  3. Step 3: Cross multiply
    5,642,804.78x = 8,449,838.31 × 3,717,880.16
  4. Step 4: Simplify right side
    5,642,804.78x = 31,415,486,207,956.93
  5. Step 5: Solve for x
    x = 31,415,486,207,956.93/5,642,804.78
  6. Step 6: Final answer
    x = 5,567,353.02

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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.