Home / 3,886,386.32-5,363,222.64-2,167,618.16

Finding the Fourth Proportional to 3,886,386.32, 5,363,222.64 and 2,167,618.16

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Solution

The fourth proportional to 3,886,386.32, 5,363,222.64 and 2,167,618.16 is: 2,991,318.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,386.32 : 5,363,222.64 = 2,167,618.16 : x
  2. Step 2: Convert to fraction form
    3,886,386.32/5,363,222.64 = 2,167,618.16/x
  3. Step 3: Cross multiply
    3,886,386.32x = 5,363,222.64 × 2,167,618.16
  4. Step 4: Simplify right side
    3,886,386.32x = 11,625,418,790,587.14
  5. Step 5: Solve for x
    x = 11,625,418,790,587.14/3,886,386.32
  6. Step 6: Final answer
    x = 2,991,318.37

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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.