Home / 1,954,415.52-2,934,951.84-1,272,463.20

Finding the Fourth Proportional to 1,954,415.52, 2,934,951.84 and 1,272,463.20

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Solution

The fourth proportional to 1,954,415.52, 2,934,951.84 and 1,272,463.20 is: 1,910,861.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954,415.52 : 2,934,951.84 = 1,272,463.20 : x
  2. Step 2: Convert to fraction form
    1,954,415.52/2,934,951.84 = 1,272,463.20/x
  3. Step 3: Cross multiply
    1,954,415.52x = 2,934,951.84 × 1,272,463.20
  4. Step 4: Simplify right side
    1,954,415.52x = 3,734,618,210,172.29
  5. Step 5: Solve for x
    x = 3,734,618,210,172.29/1,954,415.52
  6. Step 6: Final answer
    x = 1,910,861.93

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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.