Home / 6,478,717.74-9,717,077.88-2,160,843.48

Finding the Fourth Proportional to 6,478,717.74, 9,717,077.88 and 2,160,843.48

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Solution

The fourth proportional to 6,478,717.74, 9,717,077.88 and 2,160,843.48 is: 3,240,932.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,478,717.74 : 9,717,077.88 = 2,160,843.48 : x
  2. Step 2: Convert to fraction form
    6,478,717.74/9,717,077.88 = 2,160,843.48/x
  3. Step 3: Cross multiply
    6,478,717.74x = 9,717,077.88 × 2,160,843.48
  4. Step 4: Simplify right side
    6,478,717.74x = 20,997,084,381,650.22
  5. Step 5: Solve for x
    x = 20,997,084,381,650.22/6,478,717.74
  6. Step 6: Final answer
    x = 3,240,932.11

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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.