Home / 2,090,709.87-2,884,829.90-1,231,441.22

Finding the Fourth Proportional to 2,090,709.87, 2,884,829.90 and 1,231,441.22

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Solution

The fourth proportional to 2,090,709.87, 2,884,829.90 and 1,231,441.22 is: 1,699,182.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090,709.87 : 2,884,829.90 = 1,231,441.22 : x
  2. Step 2: Convert to fraction form
    2,090,709.87/2,884,829.90 = 1,231,441.22/x
  3. Step 3: Cross multiply
    2,090,709.87x = 2,884,829.90 × 1,231,441.22
  4. Step 4: Simplify right side
    2,090,709.87x = 3,552,498,430,967.12
  5. Step 5: Solve for x
    x = 3,552,498,430,967.12/2,090,709.87
  6. Step 6: Final answer
    x = 1,699,182.89

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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.