Home / 2,221,665.30-3,065,907.51-1,203,070.86

Finding the Fourth Proportional to 2,221,665.30, 3,065,907.51 and 1,203,070.86

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Solution

The fourth proportional to 2,221,665.30, 3,065,907.51 and 1,203,070.86 is: 1,660,242.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221,665.30 : 3,065,907.51 = 1,203,070.86 : x
  2. Step 2: Convert to fraction form
    2,221,665.30/3,065,907.51 = 1,203,070.86/x
  3. Step 3: Cross multiply
    2,221,665.30x = 3,065,907.51 × 1,203,070.86
  4. Step 4: Simplify right side
    2,221,665.30x = 3,688,503,984,736.16
  5. Step 5: Solve for x
    x = 3,688,503,984,736.16/2,221,665.30
  6. Step 6: Final answer
    x = 1,660,242.87

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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.