Home / 2,191,381.56-3,024,048.53-1,224,519.80

Finding the Fourth Proportional to 2,191,381.56, 3,024,048.53 and 1,224,519.80

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Solution

The fourth proportional to 2,191,381.56, 3,024,048.53 and 1,224,519.80 is: 1,689,804.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,381.56 : 3,024,048.53 = 1,224,519.80 : x
  2. Step 2: Convert to fraction form
    2,191,381.56/3,024,048.53 = 1,224,519.80/x
  3. Step 3: Cross multiply
    2,191,381.56x = 3,024,048.53 × 1,224,519.80
  4. Step 4: Simplify right side
    2,191,381.56x = 3,703,007,279,903.05
  5. Step 5: Solve for x
    x = 3,703,007,279,903.05/2,191,381.56
  6. Step 6: Final answer
    x = 1,689,804.89

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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.