Home / 5,176,683.51-7,143,765.09-2,821,829.64

Finding the Fourth Proportional to 5,176,683.51, 7,143,765.09 and 2,821,829.64

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Solution

The fourth proportional to 5,176,683.51, 7,143,765.09 and 2,821,829.64 is: 3,894,093.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176,683.51 : 7,143,765.09 = 2,821,829.64 : x
  2. Step 2: Convert to fraction form
    5,176,683.51/7,143,765.09 = 2,821,829.64/x
  3. Step 3: Cross multiply
    5,176,683.51x = 7,143,765.09 × 2,821,829.64
  4. Step 4: Simplify right side
    5,176,683.51x = 20,158,488,072,159.27
  5. Step 5: Solve for x
    x = 20,158,488,072,159.27/5,176,683.51
  6. Step 6: Final answer
    x = 3,894,093.20

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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.