Home / 2,927,991.20-4,040,626.95-1,638,831.24

Finding the Fourth Proportional to 2,927,991.20, 4,040,626.95 and 1,638,831.24

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Solution

The fourth proportional to 2,927,991.20, 4,040,626.95 and 1,638,831.24 is: 2,261,586.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927,991.20 : 4,040,626.95 = 1,638,831.24 : x
  2. Step 2: Convert to fraction form
    2,927,991.20/4,040,626.95 = 1,638,831.24/x
  3. Step 3: Cross multiply
    2,927,991.20x = 4,040,626.95 × 1,638,831.24
  4. Step 4: Simplify right side
    2,927,991.20x = 6,621,905,674,845.92
  5. Step 5: Solve for x
    x = 6,621,905,674,845.92/2,927,991.20
  6. Step 6: Final answer
    x = 2,261,586.61

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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.