Home / 2,878,370.10-3,972,212.67-1,589,291.96

Finding the Fourth Proportional to 2,878,370.10, 3,972,212.67 and 1,589,291.96

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Solution

The fourth proportional to 2,878,370.10, 3,972,212.67 and 1,589,291.96 is: 2,193,257.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,370.10 : 3,972,212.67 = 1,589,291.96 : x
  2. Step 2: Convert to fraction form
    2,878,370.10/3,972,212.67 = 1,589,291.96/x
  3. Step 3: Cross multiply
    2,878,370.10x = 3,972,212.67 × 1,589,291.96
  4. Step 4: Simplify right side
    2,878,370.10x = 6,313,005,639,980.07
  5. Step 5: Solve for x
    x = 6,313,005,639,980.07/2,878,370.10
  6. Step 6: Final answer
    x = 2,193,257.09

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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.