Home / 2,138,596.80-3,204,007.20-1,692,254.40

Finding the Fourth Proportional to 2,138,596.80, 3,204,007.20 and 1,692,254.40

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Solution

The fourth proportional to 2,138,596.80, 3,204,007.20 and 1,692,254.40 is: 2,535,305.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,596.80 : 3,204,007.20 = 1,692,254.40 : x
  2. Step 2: Convert to fraction form
    2,138,596.80/3,204,007.20 = 1,692,254.40/x
  3. Step 3: Cross multiply
    2,138,596.80x = 3,204,007.20 × 1,692,254.40
  4. Step 4: Simplify right side
    2,138,596.80x = 5,421,995,281,831.68
  5. Step 5: Solve for x
    x = 5,421,995,281,831.68/2,138,596.80
  6. Step 6: Final answer
    x = 2,535,305.06

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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.