Home / 2,628,125.86-3,626,819.16-1,420,901.86

Finding the Fourth Proportional to 2,628,125.86, 3,626,819.16 and 1,420,901.86

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Solution

The fourth proportional to 2,628,125.86, 3,626,819.16 and 1,420,901.86 is: 1,960,847.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,125.86 : 3,626,819.16 = 1,420,901.86 : x
  2. Step 2: Convert to fraction form
    2,628,125.86/3,626,819.16 = 1,420,901.86/x
  3. Step 3: Cross multiply
    2,628,125.86x = 3,626,819.16 × 1,420,901.86
  4. Step 4: Simplify right side
    2,628,125.86x = 5,153,354,090,327.64
  5. Step 5: Solve for x
    x = 5,153,354,090,327.64/2,628,125.86
  6. Step 6: Final answer
    x = 1,960,847.53

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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.