Home / 1,910,186.40-2,636,042.49-1,050,727.80

Finding the Fourth Proportional to 1,910,186.40, 2,636,042.49 and 1,050,727.80

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Solution

The fourth proportional to 1,910,186.40, 2,636,042.49 and 1,050,727.80 is: 1,449,996.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910,186.40 : 2,636,042.49 = 1,050,727.80 : x
  2. Step 2: Convert to fraction form
    1,910,186.40/2,636,042.49 = 1,050,727.80/x
  3. Step 3: Cross multiply
    1,910,186.40x = 2,636,042.49 × 1,050,727.80
  4. Step 4: Simplify right side
    1,910,186.40x = 2,769,763,126,224.22
  5. Step 5: Solve for x
    x = 2,769,763,126,224.22/1,910,186.40
  6. Step 6: Final answer
    x = 1,449,996.25

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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.