Home / 2,885,349.03-3,981,751.71-1,578,588.72

Finding the Fourth Proportional to 2,885,349.03, 3,981,751.71 and 1,578,588.72

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Solution

The fourth proportional to 2,885,349.03, 3,981,751.71 and 1,578,588.72 is: 2,178,436.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885,349.03 : 3,981,751.71 = 1,578,588.72 : x
  2. Step 2: Convert to fraction form
    2,885,349.03/3,981,751.71 = 1,578,588.72/x
  3. Step 3: Cross multiply
    2,885,349.03x = 3,981,751.71 × 1,578,588.72
  4. Step 4: Simplify right side
    2,885,349.03x = 6,285,548,335,246.71
  5. Step 5: Solve for x
    x = 6,285,548,335,246.71/2,885,349.03
  6. Step 6: Final answer
    x = 2,178,436.05

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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.