Home / 1,906,347.36-2,630,101.56-1,218,421.92

Finding the Fourth Proportional to 1,906,347.36, 2,630,101.56 and 1,218,421.92

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Solution

The fourth proportional to 1,906,347.36, 2,630,101.56 and 1,218,421.92 is: 1,681,001.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,347.36 : 2,630,101.56 = 1,218,421.92 : x
  2. Step 2: Convert to fraction form
    1,906,347.36/2,630,101.56 = 1,218,421.92/x
  3. Step 3: Cross multiply
    1,906,347.36x = 2,630,101.56 × 1,218,421.92
  4. Step 4: Simplify right side
    1,906,347.36x = 3,204,573,392,530.20
  5. Step 5: Solve for x
    x = 3,204,573,392,530.20/1,906,347.36
  6. Step 6: Final answer
    x = 1,681,001.83

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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.