Home / 5,172,488.96-7,138,256.22-2,880,649.64

Finding the Fourth Proportional to 5,172,488.96, 7,138,256.22 and 2,880,649.64

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Solution

The fourth proportional to 5,172,488.96, 7,138,256.22 and 2,880,649.64 is: 3,975,419.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172,488.96 : 7,138,256.22 = 2,880,649.64 : x
  2. Step 2: Convert to fraction form
    5,172,488.96/7,138,256.22 = 2,880,649.64/x
  3. Step 3: Cross multiply
    5,172,488.96x = 7,138,256.22 × 2,880,649.64
  4. Step 4: Simplify right side
    5,172,488.96x = 20,562,815,210,370.76
  5. Step 5: Solve for x
    x = 20,562,815,210,370.76/5,172,488.96
  6. Step 6: Final answer
    x = 3,975,419.84

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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.