Home / 2,839,943.77-4,256,760.20-2,163,795.86

Finding the Fourth Proportional to 2,839,943.77, 4,256,760.20 and 2,163,795.86

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Solution

The fourth proportional to 2,839,943.77, 4,256,760.20 and 2,163,795.86 is: 3,243,289.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839,943.77 : 4,256,760.20 = 2,163,795.86 : x
  2. Step 2: Convert to fraction form
    2,839,943.77/4,256,760.20 = 2,163,795.86/x
  3. Step 3: Cross multiply
    2,839,943.77x = 4,256,760.20 × 2,163,795.86
  4. Step 4: Simplify right side
    2,839,943.77x = 9,210,760,097,595.69
  5. Step 5: Solve for x
    x = 9,210,760,097,595.69/2,839,943.77
  6. Step 6: Final answer
    x = 3,243,289.60

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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.