Home / 2,179,501.02-3,007,855.15-1,212,633.32

Finding the Fourth Proportional to 2,179,501.02, 3,007,855.15 and 1,212,633.32

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Solution

The fourth proportional to 2,179,501.02, 3,007,855.15 and 1,212,633.32 is: 1,673,513.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,501.02 : 3,007,855.15 = 1,212,633.32 : x
  2. Step 2: Convert to fraction form
    2,179,501.02/3,007,855.15 = 1,212,633.32/x
  3. Step 3: Cross multiply
    2,179,501.02x = 3,007,855.15 × 1,212,633.32
  4. Step 4: Simplify right side
    2,179,501.02x = 3,647,425,358,552.74
  5. Step 5: Solve for x
    x = 3,647,425,358,552.74/2,179,501.02
  6. Step 6: Final answer
    x = 1,673,513.95

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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.