Home / 1,906,677.72-2,630,574.90-1,079,638.56

Finding the Fourth Proportional to 1,906,677.72, 2,630,574.90 and 1,079,638.56

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Solution

The fourth proportional to 1,906,677.72, 2,630,574.90 and 1,079,638.56 is: 1,489,538.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,677.72 : 2,630,574.90 = 1,079,638.56 : x
  2. Step 2: Convert to fraction form
    1,906,677.72/2,630,574.90 = 1,079,638.56/x
  3. Step 3: Cross multiply
    1,906,677.72x = 2,630,574.90 × 1,079,638.56
  4. Step 4: Simplify right side
    1,906,677.72x = 2,840,070,097,008.14
  5. Step 5: Solve for x
    x = 2,840,070,097,008.14/1,906,677.72
  6. Step 6: Final answer
    x = 1,489,538.62

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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.