Home / 1,636,844.22-2,258,958.54-992,291.58

Finding the Fourth Proportional to 1,636,844.22, 2,258,958.54 and 992,291.58

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Solution

The fourth proportional to 1,636,844.22, 2,258,958.54 and 992,291.58 is: 1,369,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,844.22 : 2,258,958.54 = 992,291.58 : x
  2. Step 2: Convert to fraction form
    1,636,844.22/2,258,958.54 = 992,291.58/x
  3. Step 3: Cross multiply
    1,636,844.22x = 2,258,958.54 × 992,291.58
  4. Step 4: Simplify right side
    1,636,844.22x = 2,241,545,538,811.09
  5. Step 5: Solve for x
    x = 2,241,545,538,811.09/1,636,844.22
  6. Step 6: Final answer
    x = 1,369,431.20

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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.