Home / 2,640,777.62-3,962,637.86-1,426,329.68

Finding the Fourth Proportional to 2,640,777.62, 3,962,637.86 and 1,426,329.68

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Solution

The fourth proportional to 2,640,777.62, 3,962,637.86 and 1,426,329.68 is: 2,140,289.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,777.62 : 3,962,637.86 = 1,426,329.68 : x
  2. Step 2: Convert to fraction form
    2,640,777.62/3,962,637.86 = 1,426,329.68/x
  3. Step 3: Cross multiply
    2,640,777.62x = 3,962,637.86 × 1,426,329.68
  4. Step 4: Simplify right side
    2,640,777.62x = 5,652,027,963,864.85
  5. Step 5: Solve for x
    x = 5,652,027,963,864.85/2,640,777.62
  6. Step 6: Final answer
    x = 2,140,289.26

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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.