Home / 2,934,722.80-4,396,835.40-1,811,479.60

Finding the Fourth Proportional to 2,934,722.80, 4,396,835.40 and 1,811,479.60

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Solution

The fourth proportional to 2,934,722.80, 4,396,835.40 and 1,811,479.60 is: 2,713,979.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934,722.80 : 4,396,835.40 = 1,811,479.60 : x
  2. Step 2: Convert to fraction form
    2,934,722.80/4,396,835.40 = 1,811,479.60/x
  3. Step 3: Cross multiply
    2,934,722.80x = 4,396,835.40 × 1,811,479.60
  4. Step 4: Simplify right side
    2,934,722.80x = 7,964,777,631,657.84
  5. Step 5: Solve for x
    x = 7,964,777,631,657.84/2,934,722.80
  6. Step 6: Final answer
    x = 2,713,979.54

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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.