Home / 2,021,013.48-2,788,992.90-1,115,589

Finding the Fourth Proportional to 2,021,013.48, 2,788,992.90 and 1,115,589

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Solution

The fourth proportional to 2,021,013.48, 2,788,992.90 and 1,115,589 is: 1,539,509.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,013.48 : 2,788,992.90 = 1,115,589 : x
  2. Step 2: Convert to fraction form
    2,021,013.48/2,788,992.90 = 1,115,589/x
  3. Step 3: Cross multiply
    2,021,013.48x = 2,788,992.90 × 1,115,589
  4. Step 4: Simplify right side
    2,021,013.48x = 3,111,369,800,318.10
  5. Step 5: Solve for x
    x = 3,111,369,800,318.10/2,021,013.48
  6. Step 6: Final answer
    x = 1,539,509.67

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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.