Home / 6,508,206.72-8,978,287.68-4,095,089.28

Finding the Fourth Proportional to 6,508,206.72, 8,978,287.68 and 4,095,089.28

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Solution

The fourth proportional to 6,508,206.72, 8,978,287.68 and 4,095,089.28 is: 5,649,311.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,508,206.72 : 8,978,287.68 = 4,095,089.28 : x
  2. Step 2: Convert to fraction form
    6,508,206.72/8,978,287.68 = 4,095,089.28/x
  3. Step 3: Cross multiply
    6,508,206.72x = 8,978,287.68 × 4,095,089.28
  4. Step 4: Simplify right side
    6,508,206.72x = 36,766,889,631,124.07
  5. Step 5: Solve for x
    x = 36,766,889,631,124.07/6,508,206.72
  6. Step 6: Final answer
    x = 5,649,311.89

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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.