Home / 4,914,947.77-7,372,415.32-1,320,714.77

Finding the Fourth Proportional to 4,914,947.77, 7,372,415.32 and 1,320,714.77

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Solution

The fourth proportional to 4,914,947.77, 7,372,415.32 and 1,320,714.77 is: 1,981,070.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914,947.77 : 7,372,415.32 = 1,320,714.77 : x
  2. Step 2: Convert to fraction form
    4,914,947.77/7,372,415.32 = 1,320,714.77/x
  3. Step 3: Cross multiply
    4,914,947.77x = 7,372,415.32 × 1,320,714.77
  4. Step 4: Simplify right side
    4,914,947.77x = 9,736,857,763,534.41
  5. Step 5: Solve for x
    x = 9,736,857,763,534.41/4,914,947.77
  6. Step 6: Final answer
    x = 1,981,070.44

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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.