Home / 1,537,353.80-2,121,743.94-892,645.64

Finding the Fourth Proportional to 1,537,353.80, 2,121,743.94 and 892,645.64

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Solution

The fourth proportional to 1,537,353.80, 2,121,743.94 and 892,645.64 is: 1,231,964.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,537,353.80 : 2,121,743.94 = 892,645.64 : x
  2. Step 2: Convert to fraction form
    1,537,353.80/2,121,743.94 = 892,645.64/x
  3. Step 3: Cross multiply
    1,537,353.80x = 2,121,743.94 × 892,645.64
  4. Step 4: Simplify right side
    1,537,353.80x = 1,893,965,477,237.42
  5. Step 5: Solve for x
    x = 1,893,965,477,237.42/1,537,353.80
  6. Step 6: Final answer
    x = 1,231,964.61

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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.