Home / 3,171,730.65-4,376,992.64-1,721,426.11

Finding the Fourth Proportional to 3,171,730.65, 4,376,992.64 and 1,721,426.11

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Solution

The fourth proportional to 3,171,730.65, 4,376,992.64 and 1,721,426.11 is: 2,375,570.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,730.65 : 4,376,992.64 = 1,721,426.11 : x
  2. Step 2: Convert to fraction form
    3,171,730.65/4,376,992.64 = 1,721,426.11/x
  3. Step 3: Cross multiply
    3,171,730.65x = 4,376,992.64 × 1,721,426.11
  4. Step 4: Simplify right side
    3,171,730.65x = 7,534,669,405,166.70
  5. Step 5: Solve for x
    x = 7,534,669,405,166.70/3,171,730.65
  6. Step 6: Final answer
    x = 2,375,570.38

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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.