Home / 2,105,107.47-2,905,044.21-1,187,333.73

Finding the Fourth Proportional to 2,105,107.47, 2,905,044.21 and 1,187,333.73

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Solution

The fourth proportional to 2,105,107.47, 2,905,044.21 and 1,187,333.73 is: 1,638,518.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,107.47 : 2,905,044.21 = 1,187,333.73 : x
  2. Step 2: Convert to fraction form
    2,105,107.47/2,905,044.21 = 1,187,333.73/x
  3. Step 3: Cross multiply
    2,105,107.47x = 2,905,044.21 × 1,187,333.73
  4. Step 4: Simplify right side
    2,105,107.47x = 3,449,256,977,674.20
  5. Step 5: Solve for x
    x = 3,449,256,977,674.20/2,105,107.47
  6. Step 6: Final answer
    x = 1,638,518.24

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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.