Home / 1,912,356.30-2,868,536.37-492,415.50

Finding the Fourth Proportional to 1,912,356.30, 2,868,536.37 and 492,415.50

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Solution

The fourth proportional to 1,912,356.30, 2,868,536.37 and 492,415.50 is: 738,623.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,356.30 : 2,868,536.37 = 492,415.50 : x
  2. Step 2: Convert to fraction form
    1,912,356.30/2,868,536.37 = 492,415.50/x
  3. Step 3: Cross multiply
    1,912,356.30x = 2,868,536.37 × 492,415.50
  4. Step 4: Simplify right side
    1,912,356.30x = 1,412,511,770,901.74
  5. Step 5: Solve for x
    x = 1,412,511,770,901.74/1,912,356.30
  6. Step 6: Final answer
    x = 738,623.74

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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.