Home / 2,890,776.22-3,989,219.46-1,601,590.75

Finding the Fourth Proportional to 2,890,776.22, 3,989,219.46 and 1,601,590.75

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Solution

The fourth proportional to 2,890,776.22, 3,989,219.46 and 1,601,590.75 is: 2,210,166.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,776.22 : 3,989,219.46 = 1,601,590.75 : x
  2. Step 2: Convert to fraction form
    2,890,776.22/3,989,219.46 = 1,601,590.75/x
  3. Step 3: Cross multiply
    2,890,776.22x = 3,989,219.46 × 1,601,590.75
  4. Step 4: Simplify right side
    2,890,776.22x = 6,389,096,986,856.00
  5. Step 5: Solve for x
    x = 6,389,096,986,856.00/2,890,776.22
  6. Step 6: Final answer
    x = 2,210,166.58

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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.