Home / 2,221,875.78-3,066,182.01-1,203,280.26

Finding the Fourth Proportional to 2,221,875.78, 3,066,182.01 and 1,203,280.26

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Solution

The fourth proportional to 2,221,875.78, 3,066,182.01 and 1,203,280.26 is: 1,660,523.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221,875.78 : 3,066,182.01 = 1,203,280.26 : x
  2. Step 2: Convert to fraction form
    2,221,875.78/3,066,182.01 = 1,203,280.26/x
  3. Step 3: Cross multiply
    2,221,875.78x = 3,066,182.01 × 1,203,280.26
  4. Step 4: Simplify right side
    2,221,875.78x = 3,689,476,286,200.12
  5. Step 5: Solve for x
    x = 3,689,476,286,200.12/2,221,875.78
  6. Step 6: Final answer
    x = 1,660,523.20

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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.