Home / 1,777,203.40-2,665,805.10-1,422,909.40

Finding the Fourth Proportional to 1,777,203.40, 2,665,805.10 and 1,422,909.40

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Solution

The fourth proportional to 1,777,203.40, 2,665,805.10 and 1,422,909.40 is: 2,134,364.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,203.40 : 2,665,805.10 = 1,422,909.40 : x
  2. Step 2: Convert to fraction form
    1,777,203.40/2,665,805.10 = 1,422,909.40/x
  3. Step 3: Cross multiply
    1,777,203.40x = 2,665,805.10 × 1,422,909.40
  4. Step 4: Simplify right side
    1,777,203.40x = 3,793,199,135,357.94
  5. Step 5: Solve for x
    x = 3,793,199,135,357.94/1,777,203.40
  6. Step 6: Final answer
    x = 2,134,364.10

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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.