Home / 2,907,130.11-4,360,362.99-777,380.31

Finding the Fourth Proportional to 2,907,130.11, 4,360,362.99 and 777,380.31

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Solution

The fourth proportional to 2,907,130.11, 4,360,362.99 and 777,380.31 is: 1,165,981.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907,130.11 : 4,360,362.99 = 777,380.31 : x
  2. Step 2: Convert to fraction form
    2,907,130.11/4,360,362.99 = 777,380.31/x
  3. Step 3: Cross multiply
    2,907,130.11x = 4,360,362.99 × 777,380.31
  4. Step 4: Simplify right side
    2,907,130.11x = 3,389,660,332,878.73
  5. Step 5: Solve for x
    x = 3,389,660,332,878.73/2,907,130.11
  6. Step 6: Final answer
    x = 1,165,981.64

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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.