Home / 2,154,546.25-3,230,825.75-637,686.79

Finding the Fourth Proportional to 2,154,546.25, 3,230,825.75 and 637,686.79

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Solution

The fourth proportional to 2,154,546.25, 3,230,825.75 and 637,686.79 is: 956,236.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,546.25 : 3,230,825.75 = 637,686.79 : x
  2. Step 2: Convert to fraction form
    2,154,546.25/3,230,825.75 = 637,686.79/x
  3. Step 3: Cross multiply
    2,154,546.25x = 3,230,825.75 × 637,686.79
  4. Step 4: Simplify right side
    2,154,546.25x = 2,060,254,882,224.28
  5. Step 5: Solve for x
    x = 2,060,254,882,224.28/2,154,546.25
  6. Step 6: Final answer
    x = 956,236.09

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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.