Home / 6,782,073.36-10,173,205.77-1,989,861.57

Finding the Fourth Proportional to 6,782,073.36, 10,173,205.77 and 1,989,861.57

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Solution

The fourth proportional to 6,782,073.36, 10,173,205.77 and 1,989,861.57 is: 2,984,820.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,782,073.36 : 10,173,205.77 = 1,989,861.57 : x
  2. Step 2: Convert to fraction form
    6,782,073.36/10,173,205.77 = 1,989,861.57/x
  3. Step 3: Cross multiply
    6,782,073.36x = 10,173,205.77 × 1,989,861.57
  4. Step 4: Simplify right side
    6,782,073.36x = 20,243,271,205,425.26
  5. Step 5: Solve for x
    x = 20,243,271,205,425.26/6,782,073.36
  6. Step 6: Final answer
    x = 2,984,820.44

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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.