Home / 6,786,745-9,365,765.70-3,730,892.20

Finding the Fourth Proportional to 6,786,745, 9,365,765.70 and 3,730,892.20

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Solution

The fourth proportional to 6,786,745, 9,365,765.70 and 3,730,892.20 is: 5,148,662.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786,745 : 9,365,765.70 = 3,730,892.20 : x
  2. Step 2: Convert to fraction form
    6,786,745/9,365,765.70 = 3,730,892.20/x
  3. Step 3: Cross multiply
    6,786,745x = 9,365,765.70 × 3,730,892.20
  4. Step 4: Simplify right side
    6,786,745x = 34,942,662,197,157.54
  5. Step 5: Solve for x
    x = 34,942,662,197,157.54/6,786,745
  6. Step 6: Final answer
    x = 5,148,662.90

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1.5x scale

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.