Home / 6,904,005.20-10,356,785.40-2,111,656.40

Finding the Fourth Proportional to 6,904,005.20, 10,356,785.40 and 2,111,656.40

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Solution

The fourth proportional to 6,904,005.20, 10,356,785.40 and 2,111,656.40 is: 3,167,722.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,904,005.20 : 10,356,785.40 = 2,111,656.40 : x
  2. Step 2: Convert to fraction form
    6,904,005.20/10,356,785.40 = 2,111,656.40/x
  3. Step 3: Cross multiply
    6,904,005.20x = 10,356,785.40 × 2,111,656.40
  4. Step 4: Simplify right side
    6,904,005.20x = 21,869,972,173,336.56
  5. Step 5: Solve for x
    x = 21,869,972,173,336.56/6,904,005.20
  6. Step 6: Final answer
    x = 3,167,722.44

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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.