Home / 5,789,457.60-7,990,408.08-3,211,968.78

Finding the Fourth Proportional to 5,789,457.60, 7,990,408.08 and 3,211,968.78

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Solution

The fourth proportional to 5,789,457.60, 7,990,408.08 and 3,211,968.78 is: 4,433,047.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,789,457.60 : 7,990,408.08 = 3,211,968.78 : x
  2. Step 2: Convert to fraction form
    5,789,457.60/7,990,408.08 = 3,211,968.78/x
  3. Step 3: Cross multiply
    5,789,457.60x = 7,990,408.08 × 3,211,968.78
  4. Step 4: Simplify right side
    5,789,457.60x = 25,664,941,292,419.74
  5. Step 5: Solve for x
    x = 25,664,941,292,419.74/5,789,457.60
  6. Step 6: Final answer
    x = 4,433,047.63

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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.