Home / 2,119,611.92-2,925,001.80-1,201,924.85

Finding the Fourth Proportional to 2,119,611.92, 2,925,001.80 and 1,201,924.85

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Solution

The fourth proportional to 2,119,611.92, 2,925,001.80 and 1,201,924.85 is: 1,658,620.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,611.92 : 2,925,001.80 = 1,201,924.85 : x
  2. Step 2: Convert to fraction form
    2,119,611.92/2,925,001.80 = 1,201,924.85/x
  3. Step 3: Cross multiply
    2,119,611.92x = 2,925,001.80 × 1,201,924.85
  4. Step 4: Simplify right side
    2,119,611.92x = 3,515,632,335,089.72
  5. Step 5: Solve for x
    x = 3,515,632,335,089.72/2,119,611.92
  6. Step 6: Final answer
    x = 1,658,620.76

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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.