Home / 4,914,947.96-7,372,415.60-1,320,714.95

Finding the Fourth Proportional to 4,914,947.96, 7,372,415.60 and 1,320,714.95

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Solution

The fourth proportional to 4,914,947.96, 7,372,415.60 and 1,320,714.95 is: 1,981,070.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914,947.96 : 7,372,415.60 = 1,320,714.95 : x
  2. Step 2: Convert to fraction form
    4,914,947.96/7,372,415.60 = 1,320,714.95/x
  3. Step 3: Cross multiply
    4,914,947.96x = 7,372,415.60 × 1,320,714.95
  4. Step 4: Simplify right side
    4,914,947.96x = 9,736,859,517,313.37
  5. Step 5: Solve for x
    x = 9,736,859,517,313.37/4,914,947.96
  6. Step 6: Final answer
    x = 1,981,070.72

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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.