Home / 3,120,429.70-4,680,644.55-2,821,831.30

Finding the Fourth Proportional to 3,120,429.70, 4,680,644.55 and 2,821,831.30

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Solution

The fourth proportional to 3,120,429.70, 4,680,644.55 and 2,821,831.30 is: 4,232,746.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,429.70 : 4,680,644.55 = 2,821,831.30 : x
  2. Step 2: Convert to fraction form
    3,120,429.70/4,680,644.55 = 2,821,831.30/x
  3. Step 3: Cross multiply
    3,120,429.70x = 4,680,644.55 × 2,821,831.30
  4. Step 4: Simplify right side
    3,120,429.70x = 13,207,989,295,364.41
  5. Step 5: Solve for x
    x = 13,207,989,295,364.41/3,120,429.70
  6. Step 6: Final answer
    x = 4,232,746.95

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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.