Home / 1,891,665.29-2,609,815.75-1,456,215.77

Finding the Fourth Proportional to 1,891,665.29, 2,609,815.75 and 1,456,215.77

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Solution

The fourth proportional to 1,891,665.29, 2,609,815.75 and 1,456,215.77 is: 2,009,052.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,665.29 : 2,609,815.75 = 1,456,215.77 : x
  2. Step 2: Convert to fraction form
    1,891,665.29/2,609,815.75 = 1,456,215.77/x
  3. Step 3: Cross multiply
    1,891,665.29x = 2,609,815.75 × 1,456,215.77
  4. Step 4: Simplify right side
    1,891,665.29x = 3,800,454,854,828.38
  5. Step 5: Solve for x
    x = 3,800,454,854,828.38/1,891,665.29
  6. Step 6: Final answer
    x = 2,009,052.48

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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.