Home / 2,175,772.09-3,262,531.79-976,661.86

Finding the Fourth Proportional to 2,175,772.09, 3,262,531.79 and 976,661.86

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Solution

The fourth proportional to 2,175,772.09, 3,262,531.79 and 976,661.86 is: 1,464,487.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,772.09 : 3,262,531.79 = 976,661.86 : x
  2. Step 2: Convert to fraction form
    2,175,772.09/3,262,531.79 = 976,661.86/x
  3. Step 3: Cross multiply
    2,175,772.09x = 3,262,531.79 × 976,661.86
  4. Step 4: Simplify right side
    2,175,772.09x = 3,186,390,360,615.85
  5. Step 5: Solve for x
    x = 3,186,390,360,615.85/2,175,772.09
  6. Step 6: Final answer
    x = 1,464,487.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.