Home / 2,121,817.64-3,180,807.36-773,664.93

Finding the Fourth Proportional to 2,121,817.64, 3,180,807.36 and 773,664.93

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Solution

The fourth proportional to 2,121,817.64, 3,180,807.36 and 773,664.93 is: 1,159,797.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,817.64 : 3,180,807.36 = 773,664.93 : x
  2. Step 2: Convert to fraction form
    2,121,817.64/3,180,807.36 = 773,664.93/x
  3. Step 3: Cross multiply
    2,121,817.64x = 3,180,807.36 × 773,664.93
  4. Step 4: Simplify right side
    2,121,817.64x = 2,460,879,103,517.88
  5. Step 5: Solve for x
    x = 2,460,879,103,517.88/2,121,817.64
  6. Step 6: Final answer
    x = 1,159,797.65

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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.