Home / 3,941,236.89-5,438,904.50-2,130,400.89

Finding the Fourth Proportional to 3,941,236.89, 5,438,904.50 and 2,130,400.89

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Solution

The fourth proportional to 3,941,236.89, 5,438,904.50 and 2,130,400.89 is: 2,939,951.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941,236.89 : 5,438,904.50 = 2,130,400.89 : x
  2. Step 2: Convert to fraction form
    3,941,236.89/5,438,904.50 = 2,130,400.89/x
  3. Step 3: Cross multiply
    3,941,236.89x = 5,438,904.50 × 2,130,400.89
  4. Step 4: Simplify right side
    3,941,236.89x = 11,587,046,992,751.01
  5. Step 5: Solve for x
    x = 11,587,046,992,751.01/3,941,236.89
  6. Step 6: Final answer
    x = 2,939,951.93

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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.