Home / 4,082,821.89-6,125,118.54-1,242,860.25

Finding the Fourth Proportional to 4,082,821.89, 6,125,118.54 and 1,242,860.25

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Solution

The fourth proportional to 4,082,821.89, 6,125,118.54 and 1,242,860.25 is: 1,864,559.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082,821.89 : 6,125,118.54 = 1,242,860.25 : x
  2. Step 2: Convert to fraction form
    4,082,821.89/6,125,118.54 = 1,242,860.25/x
  3. Step 3: Cross multiply
    4,082,821.89x = 6,125,118.54 × 1,242,860.25
  4. Step 4: Simplify right side
    4,082,821.89x = 7,612,666,359,904.04
  5. Step 5: Solve for x
    x = 7,612,666,359,904.04/4,082,821.89
  6. Step 6: Final answer
    x = 1,864,559.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.