Home / 2,187,058.70-3,281,572.20-768,133.10

Finding the Fourth Proportional to 2,187,058.70, 3,281,572.20 and 768,133.10

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Solution

The fourth proportional to 2,187,058.70, 3,281,572.20 and 768,133.10 is: 1,152,545.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,058.70 : 3,281,572.20 = 768,133.10 : x
  2. Step 2: Convert to fraction form
    2,187,058.70/3,281,572.20 = 768,133.10/x
  3. Step 3: Cross multiply
    2,187,058.70x = 3,281,572.20 × 768,133.10
  4. Step 4: Simplify right side
    2,187,058.70x = 2,520,684,226,859.82
  5. Step 5: Solve for x
    x = 2,520,684,226,859.82/2,187,058.70
  6. Step 6: Final answer
    x = 1,152,545.30

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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.