Home / 2,133,386.98-3,200,083.55-871,214.61

Finding the Fourth Proportional to 2,133,386.98, 3,200,083.55 and 871,214.61

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Solution

The fourth proportional to 2,133,386.98, 3,200,083.55 and 871,214.61 is: 1,306,823.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133,386.98 : 3,200,083.55 = 871,214.61 : x
  2. Step 2: Convert to fraction form
    2,133,386.98/3,200,083.55 = 871,214.61/x
  3. Step 3: Cross multiply
    2,133,386.98x = 3,200,083.55 × 871,214.61
  4. Step 4: Simplify right side
    2,133,386.98x = 2,787,959,541,980.67
  5. Step 5: Solve for x
    x = 2,787,959,541,980.67/2,133,386.98
  6. Step 6: Final answer
    x = 1,306,823.17

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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.