Home / 3,163,340.52-4,745,142-919,478.52

Finding the Fourth Proportional to 3,163,340.52, 4,745,142 and 919,478.52

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Solution

The fourth proportional to 3,163,340.52, 4,745,142 and 919,478.52 is: 1,379,255.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163,340.52 : 4,745,142 = 919,478.52 : x
  2. Step 2: Convert to fraction form
    3,163,340.52/4,745,142 = 919,478.52/x
  3. Step 3: Cross multiply
    3,163,340.52x = 4,745,142 × 919,478.52
  4. Step 4: Simplify right side
    3,163,340.52x = 4,363,056,143,349.84
  5. Step 5: Solve for x
    x = 4,363,056,143,349.84/3,163,340.52
  6. Step 6: Final answer
    x = 1,379,255.92

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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.