Home / 3,105,931.92-4,658,198.04-1,211,698.32

Finding the Fourth Proportional to 3,105,931.92, 4,658,198.04 and 1,211,698.32

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Solution

The fourth proportional to 3,105,931.92, 4,658,198.04 and 1,211,698.32 is: 1,817,274.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105,931.92 : 4,658,198.04 = 1,211,698.32 : x
  2. Step 2: Convert to fraction form
    3,105,931.92/4,658,198.04 = 1,211,698.32/x
  3. Step 3: Cross multiply
    3,105,931.92x = 4,658,198.04 × 1,211,698.32
  4. Step 4: Simplify right side
    3,105,931.92x = 5,644,330,739,295.29
  5. Step 5: Solve for x
    x = 5,644,330,739,295.29/3,105,931.92
  6. Step 6: Final answer
    x = 1,817,274.46

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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.