Home / 3,100,412.08-4,278,711.16-1,723,897.07

Finding the Fourth Proportional to 3,100,412.08, 4,278,711.16 and 1,723,897.07

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Solution

The fourth proportional to 3,100,412.08, 4,278,711.16 and 1,723,897.07 is: 2,379,057.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,412.08 : 4,278,711.16 = 1,723,897.07 : x
  2. Step 2: Convert to fraction form
    3,100,412.08/4,278,711.16 = 1,723,897.07/x
  3. Step 3: Cross multiply
    3,100,412.08x = 4,278,711.16 × 1,723,897.07
  4. Step 4: Simplify right side
    3,100,412.08x = 7,376,057,632,100.30
  5. Step 5: Solve for x
    x = 7,376,057,632,100.30/3,100,412.08
  6. Step 6: Final answer
    x = 2,379,057.18

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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.