Home / 2,018,100.20-2,784,851.30-1,112,689.64

Finding the Fourth Proportional to 2,018,100.20, 2,784,851.30 and 1,112,689.64

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Solution

The fourth proportional to 2,018,100.20, 2,784,851.30 and 1,112,689.64 is: 1,535,441.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,100.20 : 2,784,851.30 = 1,112,689.64 : x
  2. Step 2: Convert to fraction form
    2,018,100.20/2,784,851.30 = 1,112,689.64/x
  3. Step 3: Cross multiply
    2,018,100.20x = 2,784,851.30 × 1,112,689.64
  4. Step 4: Simplify right side
    2,018,100.20x = 3,098,675,190,450.53
  5. Step 5: Solve for x
    x = 3,098,675,190,450.53/2,018,100.20
  6. Step 6: Final answer
    x = 1,535,441.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.