Home / 2,112,420.55-3,163,463.20-1,907,717.35

Finding the Fourth Proportional to 2,112,420.55, 3,163,463.20 and 1,907,717.35

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Solution

The fourth proportional to 2,112,420.55, 3,163,463.20 and 1,907,717.35 is: 2,856,909.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,420.55 : 3,163,463.20 = 1,907,717.35 : x
  2. Step 2: Convert to fraction form
    2,112,420.55/3,163,463.20 = 1,907,717.35/x
  3. Step 3: Cross multiply
    2,112,420.55x = 3,163,463.20 × 1,907,717.35
  4. Step 4: Simplify right side
    2,112,420.55x = 6,034,993,632,726.52
  5. Step 5: Solve for x
    x = 6,034,993,632,726.52/2,112,420.55
  6. Step 6: Final answer
    x = 2,856,909.17

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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.