Home / 3,705,687.12-5,558,979.04-1,309,041.36

Finding the Fourth Proportional to 3,705,687.12, 5,558,979.04 and 1,309,041.36

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Solution

The fourth proportional to 3,705,687.12, 5,558,979.04 and 1,309,041.36 is: 1,963,720.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705,687.12 : 5,558,979.04 = 1,309,041.36 : x
  2. Step 2: Convert to fraction form
    3,705,687.12/5,558,979.04 = 1,309,041.36/x
  3. Step 3: Cross multiply
    3,705,687.12x = 5,558,979.04 × 1,309,041.36
  4. Step 4: Simplify right side
    3,705,687.12x = 7,276,933,482,733.10
  5. Step 5: Solve for x
    x = 7,276,933,482,733.10/3,705,687.12
  6. Step 6: Final answer
    x = 1,963,720.42

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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.