Home / 3,580,690.38-4,941,415.71-1,949,144.64

Finding the Fourth Proportional to 3,580,690.38, 4,941,415.71 and 1,949,144.64

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Solution

The fourth proportional to 3,580,690.38, 4,941,415.71 and 1,949,144.64 is: 2,689,853.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580,690.38 : 4,941,415.71 = 1,949,144.64 : x
  2. Step 2: Convert to fraction form
    3,580,690.38/4,941,415.71 = 1,949,144.64/x
  3. Step 3: Cross multiply
    3,580,690.38x = 4,941,415.71 × 1,949,144.64
  4. Step 4: Simplify right side
    3,580,690.38x = 9,631,533,945,158.29
  5. Step 5: Solve for x
    x = 9,631,533,945,158.29/3,580,690.38
  6. Step 6: Final answer
    x = 2,689,853.89

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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.