Home / 3,622,809.06-4,999,590.90-1,991,342.61

Finding the Fourth Proportional to 3,622,809.06, 4,999,590.90 and 1,991,342.61

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Solution

The fourth proportional to 3,622,809.06, 4,999,590.90 and 1,991,342.61 is: 2,748,115.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622,809.06 : 4,999,590.90 = 1,991,342.61 : x
  2. Step 2: Convert to fraction form
    3,622,809.06/4,999,590.90 = 1,991,342.61/x
  3. Step 3: Cross multiply
    3,622,809.06x = 4,999,590.90 × 1,991,342.61
  4. Step 4: Simplify right side
    3,622,809.06x = 9,955,898,391,738.25
  5. Step 5: Solve for x
    x = 9,955,898,391,738.25/3,622,809.06
  6. Step 6: Final answer
    x = 2,748,115.68

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1.5x scale

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.