Home / 6,459,542.69-8,914,329.40-3,977,823.94

Finding the Fourth Proportional to 6,459,542.69, 8,914,329.40 and 3,977,823.94

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Solution

The fourth proportional to 6,459,542.69, 8,914,329.40 and 3,977,823.94 is: 5,489,495.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,459,542.69 : 8,914,329.40 = 3,977,823.94 : x
  2. Step 2: Convert to fraction form
    6,459,542.69/8,914,329.40 = 3,977,823.94/x
  3. Step 3: Cross multiply
    6,459,542.69x = 8,914,329.40 × 3,977,823.94
  4. Step 4: Simplify right side
    6,459,542.69x = 35,459,632,871,593.87
  5. Step 5: Solve for x
    x = 35,459,632,871,593.87/6,459,542.69
  6. Step 6: Final answer
    x = 5,489,495.86

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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.