Home / 3,716,777.88-5,128,531.74-2,189,189.16

Finding the Fourth Proportional to 3,716,777.88, 5,128,531.74 and 2,189,189.16

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Solution

The fourth proportional to 3,716,777.88, 5,128,531.74 and 2,189,189.16 is: 3,020,714.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716,777.88 : 5,128,531.74 = 2,189,189.16 : x
  2. Step 2: Convert to fraction form
    3,716,777.88/5,128,531.74 = 2,189,189.16/x
  3. Step 3: Cross multiply
    3,716,777.88x = 5,128,531.74 × 2,189,189.16
  4. Step 4: Simplify right side
    3,716,777.88x = 11,227,326,091,923.94
  5. Step 5: Solve for x
    x = 11,227,326,091,923.94/3,716,777.88
  6. Step 6: Final answer
    x = 3,020,714.84

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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.