Home / 3,268,036.10-4,509,825-1,817,700.32

Finding the Fourth Proportional to 3,268,036.10, 4,509,825 and 1,817,700.32

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Solution

The fourth proportional to 3,268,036.10, 4,509,825 and 1,817,700.32 is: 2,508,390.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268,036.10 : 4,509,825 = 1,817,700.32 : x
  2. Step 2: Convert to fraction form
    3,268,036.10/4,509,825 = 1,817,700.32/x
  3. Step 3: Cross multiply
    3,268,036.10x = 4,509,825 × 1,817,700.32
  4. Step 4: Simplify right side
    3,268,036.10x = 8,197,510,345,644
  5. Step 5: Solve for x
    x = 8,197,510,345,644/3,268,036.10
  6. Step 6: Final answer
    x = 2,508,390.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.