Home / 1,534,101.26-2,116,590.60-889,392.78

Finding the Fourth Proportional to 1,534,101.26, 2,116,590.60 and 889,392.78

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Solution

The fourth proportional to 1,534,101.26, 2,116,590.60 and 889,392.78 is: 1,227,090.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534,101.26 : 2,116,590.60 = 889,392.78 : x
  2. Step 2: Convert to fraction form
    1,534,101.26/2,116,590.60 = 889,392.78/x
  3. Step 3: Cross multiply
    1,534,101.26x = 2,116,590.60 × 889,392.78
  4. Step 4: Simplify right side
    1,534,101.26x = 1,882,480,397,855.87
  5. Step 5: Solve for x
    x = 1,882,480,397,855.87/1,534,101.26
  6. Step 6: Final answer
    x = 1,227,090.05

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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.