Home / 2,169,457.14-3,254,218.53-821,257.77

Finding the Fourth Proportional to 2,169,457.14, 3,254,218.53 and 821,257.77

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Solution

The fourth proportional to 2,169,457.14, 3,254,218.53 and 821,257.77 is: 1,231,899.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169,457.14 : 3,254,218.53 = 821,257.77 : x
  2. Step 2: Convert to fraction form
    2,169,457.14/3,254,218.53 = 821,257.77/x
  3. Step 3: Cross multiply
    2,169,457.14x = 3,254,218.53 × 821,257.77
  4. Step 4: Simplify right side
    2,169,457.14x = 2,672,552,253,040.48
  5. Step 5: Solve for x
    x = 2,672,552,253,040.48/2,169,457.14
  6. Step 6: Final answer
    x = 1,231,899.08

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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.