Home / 3,886,781.44-5,790,281.50-3,711,904.78

Finding the Fourth Proportional to 3,886,781.44, 5,790,281.50 and 3,711,904.78

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Solution

The fourth proportional to 3,886,781.44, 5,790,281.50 and 3,711,904.78 is: 5,529,761.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,781.44 : 5,790,281.50 = 3,711,904.78 : x
  2. Step 2: Convert to fraction form
    3,886,781.44/5,790,281.50 = 3,711,904.78/x
  3. Step 3: Cross multiply
    3,886,781.44x = 5,790,281.50 × 3,711,904.78
  4. Step 4: Simplify right side
    3,886,781.44x = 21,492,973,577,395.57
  5. Step 5: Solve for x
    x = 21,492,973,577,395.57/3,886,781.44
  6. Step 6: Final answer
    x = 5,529,761.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.