Home / 2,129,293.45-2,938,469.43-1,162,464.49

Finding the Fourth Proportional to 2,129,293.45, 2,938,469.43 and 1,162,464.49

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Solution

The fourth proportional to 2,129,293.45, 2,938,469.43 and 1,162,464.49 is: 1,604,225.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,293.45 : 2,938,469.43 = 1,162,464.49 : x
  2. Step 2: Convert to fraction form
    2,129,293.45/2,938,469.43 = 1,162,464.49/x
  3. Step 3: Cross multiply
    2,129,293.45x = 2,938,469.43 × 1,162,464.49
  4. Step 4: Simplify right side
    2,129,293.45x = 3,415,866,367,325.54
  5. Step 5: Solve for x
    x = 3,415,866,367,325.54/2,129,293.45
  6. Step 6: Final answer
    x = 1,604,225.27

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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.