Home / 3,451,700.63-5,178,298.25-1,321,784.84

Finding the Fourth Proportional to 3,451,700.63, 5,178,298.25 and 1,321,784.84

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Solution

The fourth proportional to 3,451,700.63, 5,178,298.25 and 1,321,784.84 is: 1,982,963.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451,700.63 : 5,178,298.25 = 1,321,784.84 : x
  2. Step 2: Convert to fraction form
    3,451,700.63/5,178,298.25 = 1,321,784.84/x
  3. Step 3: Cross multiply
    3,451,700.63x = 5,178,298.25 × 1,321,784.84
  4. Step 4: Simplify right side
    3,451,700.63x = 6,844,596,117,239.61
  5. Step 5: Solve for x
    x = 6,844,596,117,239.61/3,451,700.63
  6. Step 6: Final answer
    x = 1,982,963.43

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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.