Home / 3,876,070.88-5,348,977.81-2,157,597.36

Finding the Fourth Proportional to 3,876,070.88, 5,348,977.81 and 2,157,597.36

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Solution

The fourth proportional to 3,876,070.88, 5,348,977.81 and 2,157,597.36 is: 2,977,484.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876,070.88 : 5,348,977.81 = 2,157,597.36 : x
  2. Step 2: Convert to fraction form
    3,876,070.88/5,348,977.81 = 2,157,597.36/x
  3. Step 3: Cross multiply
    3,876,070.88x = 5,348,977.81 × 2,157,597.36
  4. Step 4: Simplify right side
    3,876,070.88x = 11,540,940,374,809.69
  5. Step 5: Solve for x
    x = 11,540,940,374,809.69/3,876,070.88
  6. Step 6: Final answer
    x = 2,977,484.35

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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.