Home / 3,191,420.63-4,404,139.55-1,814,764.57

Finding the Fourth Proportional to 3,191,420.63, 4,404,139.55 and 1,814,764.57

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Solution

The fourth proportional to 3,191,420.63, 4,404,139.55 and 1,814,764.57 is: 2,504,363.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191,420.63 : 4,404,139.55 = 1,814,764.57 : x
  2. Step 2: Convert to fraction form
    3,191,420.63/4,404,139.55 = 1,814,764.57/x
  3. Step 3: Cross multiply
    3,191,420.63x = 4,404,139.55 × 1,814,764.57
  4. Step 4: Simplify right side
    3,191,420.63x = 7,992,476,407,601.92
  5. Step 5: Solve for x
    x = 7,992,476,407,601.92/3,191,420.63
  6. Step 6: Final answer
    x = 2,504,363.21

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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.