Home / 5,279,714.22-7,284,952.59-3,213,345.74

Finding the Fourth Proportional to 5,279,714.22, 7,284,952.59 and 3,213,345.74

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Solution

The fourth proportional to 5,279,714.22, 7,284,952.59 and 3,213,345.74 is: 4,433,776.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279,714.22 : 7,284,952.59 = 3,213,345.74 : x
  2. Step 2: Convert to fraction form
    5,279,714.22/7,284,952.59 = 3,213,345.74/x
  3. Step 3: Cross multiply
    5,279,714.22x = 7,284,952.59 × 3,213,345.74
  4. Step 4: Simplify right side
    5,279,714.22x = 23,409,071,322,703.66
  5. Step 5: Solve for x
    x = 23,409,071,322,703.66/5,279,714.22
  6. Step 6: Final answer
    x = 4,433,776.21

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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.