Home / 2,809,363.23-3,876,931.49-1,520,203.55

Finding the Fourth Proportional to 2,809,363.23, 3,876,931.49 and 1,520,203.55

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Solution

The fourth proportional to 2,809,363.23, 3,876,931.49 and 1,520,203.55 is: 2,097,886.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,363.23 : 3,876,931.49 = 1,520,203.55 : x
  2. Step 2: Convert to fraction form
    2,809,363.23/3,876,931.49 = 1,520,203.55/x
  3. Step 3: Cross multiply
    2,809,363.23x = 3,876,931.49 × 1,520,203.55
  4. Step 4: Simplify right side
    2,809,363.23x = 5,893,724,987,219.11
  5. Step 5: Solve for x
    x = 5,893,724,987,219.11/2,809,363.23
  6. Step 6: Final answer
    x = 2,097,886.43

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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.