Home / 3,189,653.61-4,401,828.27-1,739,428.40

Finding the Fourth Proportional to 3,189,653.61, 4,401,828.27 and 1,739,428.40

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Solution

The fourth proportional to 3,189,653.61, 4,401,828.27 and 1,739,428.40 is: 2,400,469.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,653.61 : 4,401,828.27 = 1,739,428.40 : x
  2. Step 2: Convert to fraction form
    3,189,653.61/4,401,828.27 = 1,739,428.40/x
  3. Step 3: Cross multiply
    3,189,653.61x = 4,401,828.27 × 1,739,428.40
  4. Step 4: Simplify right side
    3,189,653.61x = 7,656,665,082,751.73
  5. Step 5: Solve for x
    x = 7,656,665,082,751.73/3,189,653.61
  6. Step 6: Final answer
    x = 2,400,469.15

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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.