Home / 1,991,616.17-2,984,755.91-1,864,070.33

Finding the Fourth Proportional to 1,991,616.17, 2,984,755.91 and 1,864,070.33

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Solution

The fourth proportional to 1,991,616.17, 2,984,755.91 and 1,864,070.33 is: 2,793,608.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,616.17 : 2,984,755.91 = 1,864,070.33 : x
  2. Step 2: Convert to fraction form
    1,991,616.17/2,984,755.91 = 1,864,070.33/x
  3. Step 3: Cross multiply
    1,991,616.17x = 2,984,755.91 × 1,864,070.33
  4. Step 4: Simplify right side
    1,991,616.17x = 5,563,794,909,879.02
  5. Step 5: Solve for x
    x = 5,563,794,909,879.02/1,991,616.17
  6. Step 6: Final answer
    x = 2,793,608.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.