Home / 1,910,021.74-2,864,721.22-561,869.06

Finding the Fourth Proportional to 1,910,021.74, 2,864,721.22 and 561,869.06

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Solution

The fourth proportional to 1,910,021.74, 2,864,721.22 and 561,869.06 is: 842,711.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910,021.74 : 2,864,721.22 = 561,869.06 : x
  2. Step 2: Convert to fraction form
    1,910,021.74/2,864,721.22 = 561,869.06/x
  3. Step 3: Cross multiply
    1,910,021.74x = 2,864,721.22 × 561,869.06
  4. Step 4: Simplify right side
    1,910,021.74x = 1,609,598,219,043.45
  5. Step 5: Solve for x
    x = 1,609,598,219,043.45/1,910,021.74
  6. Step 6: Final answer
    x = 842,711.99

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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.