Home / 3,686,409.72-5,528,784.96-1,322,505.72

Finding the Fourth Proportional to 3,686,409.72, 5,528,784.96 and 1,322,505.72

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Solution

The fourth proportional to 3,686,409.72, 5,528,784.96 and 1,322,505.72 is: 1,983,460.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686,409.72 : 5,528,784.96 = 1,322,505.72 : x
  2. Step 2: Convert to fraction form
    3,686,409.72/5,528,784.96 = 1,322,505.72/x
  3. Step 3: Cross multiply
    3,686,409.72x = 5,528,784.96 × 1,322,505.72
  4. Step 4: Simplify right side
    3,686,409.72x = 7,311,849,734,249.97
  5. Step 5: Solve for x
    x = 7,311,849,734,249.97/3,686,409.72
  6. Step 6: Final answer
    x = 1,983,460.95

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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.