Home / 2,191,609.51-3,024,412.33-1,224,739.55

Finding the Fourth Proportional to 2,191,609.51, 3,024,412.33 and 1,224,739.55

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Solution

The fourth proportional to 2,191,609.51, 3,024,412.33 and 1,224,739.55 is: 1,690,135.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,609.51 : 3,024,412.33 = 1,224,739.55 : x
  2. Step 2: Convert to fraction form
    2,191,609.51/3,024,412.33 = 1,224,739.55/x
  3. Step 3: Cross multiply
    2,191,609.51x = 3,024,412.33 × 1,224,739.55
  4. Step 4: Simplify right side
    2,191,609.51x = 3,704,117,380,936.59
  5. Step 5: Solve for x
    x = 3,704,117,380,936.59/2,191,609.51
  6. Step 6: Final answer
    x = 1,690,135.66

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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.