Home / 3,405,780.80-5,103,141.60-2,141,345.60

Finding the Fourth Proportional to 3,405,780.80, 5,103,141.60 and 2,141,345.60

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Solution

The fourth proportional to 3,405,780.80, 5,103,141.60 and 2,141,345.60 is: 3,208,541.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405,780.80 : 5,103,141.60 = 2,141,345.60 : x
  2. Step 2: Convert to fraction form
    3,405,780.80/5,103,141.60 = 2,141,345.60/x
  3. Step 3: Cross multiply
    3,405,780.80x = 5,103,141.60 × 2,141,345.60
  4. Step 4: Simplify right side
    3,405,780.80x = 10,927,589,811,336.96
  5. Step 5: Solve for x
    x = 10,927,589,811,336.96/3,405,780.80
  6. Step 6: Final answer
    x = 3,208,541.73

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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.