Home / 2,312,015.31-3,188,473.47-1,985,226.21

Finding the Fourth Proportional to 2,312,015.31, 3,188,473.47 and 1,985,226.21

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Solution

The fourth proportional to 2,312,015.31, 3,188,473.47 and 1,985,226.21 is: 2,737,802.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312,015.31 : 3,188,473.47 = 1,985,226.21 : x
  2. Step 2: Convert to fraction form
    2,312,015.31/3,188,473.47 = 1,985,226.21/x
  3. Step 3: Cross multiply
    2,312,015.31x = 3,188,473.47 × 1,985,226.21
  4. Step 4: Simplify right side
    2,312,015.31x = 6,329,841,102,533.65
  5. Step 5: Solve for x
    x = 6,329,841,102,533.65/2,312,015.31
  6. Step 6: Final answer
    x = 2,737,802.42

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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.