Home / 2,147,958.90-3,221,938.35-1,855,666.35

Finding the Fourth Proportional to 2,147,958.90, 3,221,938.35 and 1,855,666.35

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Solution

The fourth proportional to 2,147,958.90, 3,221,938.35 and 1,855,666.35 is: 2,783,499.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,958.90 : 3,221,938.35 = 1,855,666.35 : x
  2. Step 2: Convert to fraction form
    2,147,958.90/3,221,938.35 = 1,855,666.35/x
  3. Step 3: Cross multiply
    2,147,958.90x = 3,221,938.35 × 1,855,666.35
  4. Step 4: Simplify right side
    2,147,958.90x = 5,978,842,577,869.52
  5. Step 5: Solve for x
    x = 5,978,842,577,869.52/2,147,958.90
  6. Step 6: Final answer
    x = 2,783,499.53

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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.