Home / 1,821,364.60-2,729,714.10-1,398,544.60

Finding the Fourth Proportional to 1,821,364.60, 2,729,714.10 and 1,398,544.60

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Solution

The fourth proportional to 1,821,364.60, 2,729,714.10 and 1,398,544.60 is: 2,096,025.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,364.60 : 2,729,714.10 = 1,398,544.60 : x
  2. Step 2: Convert to fraction form
    1,821,364.60/2,729,714.10 = 1,398,544.60/x
  3. Step 3: Cross multiply
    1,821,364.60x = 2,729,714.10 × 1,398,544.60
  4. Step 4: Simplify right side
    1,821,364.60x = 3,817,626,914,098.86
  5. Step 5: Solve for x
    x = 3,817,626,914,098.86/1,821,364.60
  6. Step 6: Final answer
    x = 2,096,025.65

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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.