Home / 2,818,661.34-3,888,125.91-1,798,916.70

Finding the Fourth Proportional to 2,818,661.34, 3,888,125.91 and 1,798,916.70

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Solution

The fourth proportional to 2,818,661.34, 3,888,125.91 and 1,798,916.70 is: 2,481,466.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818,661.34 : 3,888,125.91 = 1,798,916.70 : x
  2. Step 2: Convert to fraction form
    2,818,661.34/3,888,125.91 = 1,798,916.70/x
  3. Step 3: Cross multiply
    2,818,661.34x = 3,888,125.91 × 1,798,916.70
  4. Step 4: Simplify right side
    2,818,661.34x = 6,994,414,631,201.70
  5. Step 5: Solve for x
    x = 6,994,414,631,201.70/2,818,661.34
  6. Step 6: Final answer
    x = 2,481,466.83

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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.