Home / 1,819,293.90-2,730,496.05-809,969.10

Finding the Fourth Proportional to 1,819,293.90, 2,730,496.05 and 809,969.10

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Solution

The fourth proportional to 1,819,293.90, 2,730,496.05 and 809,969.10 is: 1,215,646.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,293.90 : 2,730,496.05 = 809,969.10 : x
  2. Step 2: Convert to fraction form
    1,819,293.90/2,730,496.05 = 809,969.10/x
  3. Step 3: Cross multiply
    1,819,293.90x = 2,730,496.05 × 809,969.10
  4. Step 4: Simplify right side
    1,819,293.90x = 2,211,617,428,172.05
  5. Step 5: Solve for x
    x = 2,211,617,428,172.05/1,819,293.90
  6. Step 6: Final answer
    x = 1,215,646.04

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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.