Home / 3,817,428.12-5,725,992.60-1,293,083.28

Finding the Fourth Proportional to 3,817,428.12, 5,725,992.60 and 1,293,083.28

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Solution

The fourth proportional to 3,817,428.12, 5,725,992.60 and 1,293,083.28 is: 1,939,574.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,817,428.12 : 5,725,992.60 = 1,293,083.28 : x
  2. Step 2: Convert to fraction form
    3,817,428.12/5,725,992.60 = 1,293,083.28/x
  3. Step 3: Cross multiply
    3,817,428.12x = 5,725,992.60 × 1,293,083.28
  4. Step 4: Simplify right side
    3,817,428.12x = 7,404,185,292,463.73
  5. Step 5: Solve for x
    x = 7,404,185,292,463.73/3,817,428.12
  6. Step 6: Final answer
    x = 1,939,574.25

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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.