Home / 1,681,851.60-2,322,885.96-1,225,001.52

Finding the Fourth Proportional to 1,681,851.60, 2,322,885.96 and 1,225,001.52

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Solution

The fourth proportional to 1,681,851.60, 2,322,885.96 and 1,225,001.52 is: 1,691,908.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,851.60 : 2,322,885.96 = 1,225,001.52 : x
  2. Step 2: Convert to fraction form
    1,681,851.60/2,322,885.96 = 1,225,001.52/x
  3. Step 3: Cross multiply
    1,681,851.60x = 2,322,885.96 × 1,225,001.52
  4. Step 4: Simplify right side
    1,681,851.60x = 2,845,538,831,786.66
  5. Step 5: Solve for x
    x = 2,845,538,831,786.66/1,681,851.60
  6. Step 6: Final answer
    x = 1,691,908.39

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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.