Home / 1,821,209.10-2,731,813.65-1,342,912.20

Finding the Fourth Proportional to 1,821,209.10, 2,731,813.65 and 1,342,912.20

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Solution

The fourth proportional to 1,821,209.10, 2,731,813.65 and 1,342,912.20 is: 2,014,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,209.10 : 2,731,813.65 = 1,342,912.20 : x
  2. Step 2: Convert to fraction form
    1,821,209.10/2,731,813.65 = 1,342,912.20/x
  3. Step 3: Cross multiply
    1,821,209.10x = 2,731,813.65 × 1,342,912.20
  4. Step 4: Simplify right side
    1,821,209.10x = 3,668,585,878,711.53
  5. Step 5: Solve for x
    x = 3,668,585,878,711.53/1,821,209.10
  6. Step 6: Final answer
    x = 2,014,368.30

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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.