Home / 3,431,635.20-4,735,598.40-1,903,708.80

Finding the Fourth Proportional to 3,431,635.20, 4,735,598.40 and 1,903,708.80

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Solution

The fourth proportional to 3,431,635.20, 4,735,598.40 and 1,903,708.80 is: 2,627,085.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431,635.20 : 4,735,598.40 = 1,903,708.80 : x
  2. Step 2: Convert to fraction form
    3,431,635.20/4,735,598.40 = 1,903,708.80/x
  3. Step 3: Cross multiply
    3,431,635.20x = 4,735,598.40 × 1,903,708.80
  4. Step 4: Simplify right side
    3,431,635.20x = 9,015,200,347,345.92
  5. Step 5: Solve for x
    x = 9,015,200,347,345.92/3,431,635.20
  6. Step 6: Final answer
    x = 2,627,085.87

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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.