Home / 2,867,640.48-3,957,313.84-1,578,453.20

Finding the Fourth Proportional to 2,867,640.48, 3,957,313.84 and 1,578,453.20

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Solution

The fourth proportional to 2,867,640.48, 3,957,313.84 and 1,578,453.20 is: 2,178,248.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867,640.48 : 3,957,313.84 = 1,578,453.20 : x
  2. Step 2: Convert to fraction form
    2,867,640.48/3,957,313.84 = 1,578,453.20/x
  3. Step 3: Cross multiply
    2,867,640.48x = 3,957,313.84 × 1,578,453.20
  4. Step 4: Simplify right side
    2,867,640.48x = 6,246,434,694,152.29
  5. Step 5: Solve for x
    x = 6,246,434,694,152.29/2,867,640.48
  6. Step 6: Final answer
    x = 2,178,248.89

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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.