Home / 3,057,398.21-4,219,261.55-1,680,799.26

Finding the Fourth Proportional to 3,057,398.21, 4,219,261.55 and 1,680,799.26

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Solution

The fourth proportional to 3,057,398.21, 4,219,261.55 and 1,680,799.26 is: 2,319,531.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057,398.21 : 4,219,261.55 = 1,680,799.26 : x
  2. Step 2: Convert to fraction form
    3,057,398.21/4,219,261.55 = 1,680,799.26/x
  3. Step 3: Cross multiply
    3,057,398.21x = 4,219,261.55 × 1,680,799.26
  4. Step 4: Simplify right side
    3,057,398.21x = 7,091,731,680,974.34
  5. Step 5: Solve for x
    x = 7,091,731,680,974.34/3,057,398.21
  6. Step 6: Final answer
    x = 2,319,531.58

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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.