Home / 2,102,759.64-3,154,401.84-823,201.86

Finding the Fourth Proportional to 2,102,759.64, 3,154,401.84 and 823,201.86

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Solution

The fourth proportional to 2,102,759.64, 3,154,401.84 and 823,201.86 is: 1,234,905.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102,759.64 : 3,154,401.84 = 823,201.86 : x
  2. Step 2: Convert to fraction form
    2,102,759.64/3,154,401.84 = 823,201.86/x
  3. Step 3: Cross multiply
    2,102,759.64x = 3,154,401.84 × 823,201.86
  4. Step 4: Simplify right side
    2,102,759.64x = 2,596,709,461,875.42
  5. Step 5: Solve for x
    x = 2,596,709,461,875.42/2,102,759.64
  6. Step 6: Final answer
    x = 1,234,905.51

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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.