Home / 2,390,369.78-3,298,626.51-1,302,619.16

Finding the Fourth Proportional to 2,390,369.78, 3,298,626.51 and 1,302,619.16

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Solution

The fourth proportional to 2,390,369.78, 3,298,626.51 and 1,302,619.16 is: 1,797,568.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390,369.78 : 3,298,626.51 = 1,302,619.16 : x
  2. Step 2: Convert to fraction form
    2,390,369.78/3,298,626.51 = 1,302,619.16/x
  3. Step 3: Cross multiply
    2,390,369.78x = 3,298,626.51 × 1,302,619.16
  4. Step 4: Simplify right side
    2,390,369.78x = 4,296,854,093,609.93
  5. Step 5: Solve for x
    x = 4,296,854,093,609.93/2,390,369.78
  6. Step 6: Final answer
    x = 1,797,568.78

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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.