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Finding the Fourth Proportional to 7,883,967, 10,879,889.22 and 4,262,295

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Solution

The fourth proportional to 7,883,967, 10,879,889.22 and 4,262,295 is: 5,881,975.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,883,967 : 10,879,889.22 = 4,262,295 : x
  2. Step 2: Convert to fraction form
    7,883,967/10,879,889.22 = 4,262,295/x
  3. Step 3: Cross multiply
    7,883,967x = 10,879,889.22 × 4,262,295
  4. Step 4: Simplify right side
    7,883,967x = 46,373,297,422,959.91
  5. Step 5: Solve for x
    x = 46,373,297,422,959.91/7,883,967
  6. Step 6: Final answer
    x = 5,881,975.08

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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.