Home / 2,590,271.30-3,888,906.15-1,645,487.30

Finding the Fourth Proportional to 2,590,271.30, 3,888,906.15 and 1,645,487.30

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Solution

The fourth proportional to 2,590,271.30, 3,888,906.15 and 1,645,487.30 is: 2,470,453.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590,271.30 : 3,888,906.15 = 1,645,487.30 : x
  2. Step 2: Convert to fraction form
    2,590,271.30/3,888,906.15 = 1,645,487.30/x
  3. Step 3: Cross multiply
    2,590,271.30x = 3,888,906.15 × 1,645,487.30
  4. Step 4: Simplify right side
    2,590,271.30x = 6,399,145,680,716.90
  5. Step 5: Solve for x
    x = 6,399,145,680,716.90/2,590,271.30
  6. Step 6: Final answer
    x = 2,470,453.84

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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.