Home / 2,155,570.52-3,233,355.57-1,209,015.05

Finding the Fourth Proportional to 2,155,570.52, 3,233,355.57 and 1,209,015.05

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Solution

The fourth proportional to 2,155,570.52, 3,233,355.57 and 1,209,015.05 is: 1,813,522.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,570.52 : 3,233,355.57 = 1,209,015.05 : x
  2. Step 2: Convert to fraction form
    2,155,570.52/3,233,355.57 = 1,209,015.05/x
  3. Step 3: Cross multiply
    2,155,570.52x = 3,233,355.57 × 1,209,015.05
  4. Step 4: Simplify right side
    2,155,570.52x = 3,909,175,529,964.55
  5. Step 5: Solve for x
    x = 3,909,175,529,964.55/2,155,570.52
  6. Step 6: Final answer
    x = 1,813,522.45

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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.