Home / 2,949,961.20-4,421,831.40-1,685,065.20

Finding the Fourth Proportional to 2,949,961.20, 4,421,831.40 and 1,685,065.20

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Solution

The fourth proportional to 2,949,961.20, 4,421,831.40 and 1,685,065.20 is: 2,525,821.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949,961.20 : 4,421,831.40 = 1,685,065.20 : x
  2. Step 2: Convert to fraction form
    2,949,961.20/4,421,831.40 = 1,685,065.20/x
  3. Step 3: Cross multiply
    2,949,961.20x = 4,421,831.40 × 1,685,065.20
  4. Step 4: Simplify right side
    2,949,961.20x = 7,451,074,212,407.28
  5. Step 5: Solve for x
    x = 7,451,074,212,407.28/2,949,961.20
  6. Step 6: Final answer
    x = 2,525,821.09

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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.