Home / 6,459,543.69-8,914,330.78-3,977,824.94

Finding the Fourth Proportional to 6,459,543.69, 8,914,330.78 and 3,977,824.94

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Solution

The fourth proportional to 6,459,543.69, 8,914,330.78 and 3,977,824.94 is: 5,489,497.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,459,543.69 : 8,914,330.78 = 3,977,824.94 : x
  2. Step 2: Convert to fraction form
    6,459,543.69/8,914,330.78 = 3,977,824.94/x
  3. Step 3: Cross multiply
    6,459,543.69x = 8,914,330.78 × 3,977,824.94
  4. Step 4: Simplify right side
    6,459,543.69x = 35,459,647,300,093.65
  5. Step 5: Solve for x
    x = 35,459,647,300,093.65/6,459,543.69
  6. Step 6: Final answer
    x = 5,489,497.25

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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.