Home / 2,105,582.46-2,905,712.49-1,138,712.73

Finding the Fourth Proportional to 2,105,582.46, 2,905,712.49 and 1,138,712.73

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Solution

The fourth proportional to 2,105,582.46, 2,905,712.49 and 1,138,712.73 is: 1,571,428.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,582.46 : 2,905,712.49 = 1,138,712.73 : x
  2. Step 2: Convert to fraction form
    2,105,582.46/2,905,712.49 = 1,138,712.73/x
  3. Step 3: Cross multiply
    2,105,582.46x = 2,905,712.49 × 1,138,712.73
  4. Step 4: Simplify right side
    2,105,582.46x = 3,308,771,802,083.00
  5. Step 5: Solve for x
    x = 3,308,771,802,083.00/2,105,582.46
  6. Step 6: Final answer
    x = 1,571,428.27

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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.