Home / 3,836,146.71-5,293,871.55-2,117,254.89

Finding the Fourth Proportional to 3,836,146.71, 5,293,871.55 and 2,117,254.89

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Solution

The fourth proportional to 3,836,146.71, 5,293,871.55 and 2,117,254.89 is: 2,921,805.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836,146.71 : 5,293,871.55 = 2,117,254.89 : x
  2. Step 2: Convert to fraction form
    3,836,146.71/5,293,871.55 = 2,117,254.89/x
  3. Step 3: Cross multiply
    3,836,146.71x = 5,293,871.55 × 2,117,254.89
  4. Step 4: Simplify right side
    3,836,146.71x = 11,208,475,426,269.38
  5. Step 5: Solve for x
    x = 11,208,475,426,269.38/3,836,146.71
  6. Step 6: Final answer
    x = 2,921,805.73

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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.