Home / 3,868,079.40-5,337,628.74-2,125,657.17

Finding the Fourth Proportional to 3,868,079.40, 5,337,628.74 and 2,125,657.17

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Solution

The fourth proportional to 3,868,079.40, 5,337,628.74 and 2,125,657.17 is: 2,933,230.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868,079.40 : 5,337,628.74 = 2,125,657.17 : x
  2. Step 2: Convert to fraction form
    3,868,079.40/5,337,628.74 = 2,125,657.17/x
  3. Step 3: Cross multiply
    3,868,079.40x = 5,337,628.74 × 2,125,657.17
  4. Step 4: Simplify right side
    3,868,079.40x = 11,345,968,801,979.07
  5. Step 5: Solve for x
    x = 11,345,968,801,979.07/3,868,079.40
  6. Step 6: Final answer
    x = 2,933,230.59

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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.