Home / 3,690,671.65-5,538,478.38-1,531,698.56

Finding the Fourth Proportional to 3,690,671.65, 5,538,478.38 and 1,531,698.56

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Solution

The fourth proportional to 3,690,671.65, 5,538,478.38 and 1,531,698.56 is: 2,298,573.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690,671.65 : 5,538,478.38 = 1,531,698.56 : x
  2. Step 2: Convert to fraction form
    3,690,671.65/5,538,478.38 = 1,531,698.56/x
  3. Step 3: Cross multiply
    3,690,671.65x = 5,538,478.38 × 1,531,698.56
  4. Step 4: Simplify right side
    3,690,671.65x = 8,483,279,346,570.17
  5. Step 5: Solve for x
    x = 8,483,279,346,570.17/3,690,671.65
  6. Step 6: Final answer
    x = 2,298,573.31

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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.