Home / 3,436,129.50-4,741,728.79-1,908,335.04

Finding the Fourth Proportional to 3,436,129.50, 4,741,728.79 and 1,908,335.04

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Solution

The fourth proportional to 3,436,129.50, 4,741,728.79 and 1,908,335.04 is: 2,633,430.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436,129.50 : 4,741,728.79 = 1,908,335.04 : x
  2. Step 2: Convert to fraction form
    3,436,129.50/4,741,728.79 = 1,908,335.04/x
  3. Step 3: Cross multiply
    3,436,129.50x = 4,741,728.79 × 1,908,335.04
  4. Step 4: Simplify right side
    3,436,129.50x = 9,048,807,200,133.80
  5. Step 5: Solve for x
    x = 9,048,807,200,133.80/3,436,129.50
  6. Step 6: Final answer
    x = 2,633,430.20

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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.