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Finding the Fourth Proportional to 1,960,058.22, 2,935,800.81 and 1,389,710.49

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Solution

The fourth proportional to 1,960,058.22, 2,935,800.81 and 1,389,710.49 is: 2,081,526.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960,058.22 : 2,935,800.81 = 1,389,710.49 : x
  2. Step 2: Convert to fraction form
    1,960,058.22/2,935,800.81 = 1,389,710.49/x
  3. Step 3: Cross multiply
    1,960,058.22x = 2,935,800.81 × 1,389,710.49
  4. Step 4: Simplify right side
    1,960,058.22x = 4,079,913,182,207.50
  5. Step 5: Solve for x
    x = 4,079,913,182,207.50/1,960,058.22
  6. Step 6: Final answer
    x = 2,081,526.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.