Home / 3,853,522.71-5,317,860.53-2,111,253.91

Finding the Fourth Proportional to 3,853,522.71, 5,317,860.53 and 2,111,253.91

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Solution

The fourth proportional to 3,853,522.71, 5,317,860.53 and 2,111,253.91 is: 2,913,529.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853,522.71 : 5,317,860.53 = 2,111,253.91 : x
  2. Step 2: Convert to fraction form
    3,853,522.71/5,317,860.53 = 2,111,253.91/x
  3. Step 3: Cross multiply
    3,853,522.71x = 5,317,860.53 × 2,111,253.91
  4. Step 4: Simplify right side
    3,853,522.71x = 11,227,353,828,780.66
  5. Step 5: Solve for x
    x = 11,227,353,828,780.66/3,853,522.71
  6. Step 6: Final answer
    x = 2,913,529.95

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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.