Home / 2,457,185.76-3,391,192.08-1,369,556.64

Finding the Fourth Proportional to 2,457,185.76, 3,391,192.08 and 1,369,556.64

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Solution

The fourth proportional to 2,457,185.76, 3,391,192.08 and 1,369,556.64 is: 1,890,141.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457,185.76 : 3,391,192.08 = 1,369,556.64 : x
  2. Step 2: Convert to fraction form
    2,457,185.76/3,391,192.08 = 1,369,556.64/x
  3. Step 3: Cross multiply
    2,457,185.76x = 3,391,192.08 × 1,369,556.64
  4. Step 4: Simplify right side
    2,457,185.76x = 4,644,429,630,679.41
  5. Step 5: Solve for x
    x = 4,644,429,630,679.41/2,457,185.76
  6. Step 6: Final answer
    x = 1,890,141.85

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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.