Home / 2,991,555.13-4,128,357.03-1,633,428.13

Finding the Fourth Proportional to 2,991,555.13, 4,128,357.03 and 1,633,428.13

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Solution

The fourth proportional to 2,991,555.13, 4,128,357.03 and 1,633,428.13 is: 2,254,136.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991,555.13 : 4,128,357.03 = 1,633,428.13 : x
  2. Step 2: Convert to fraction form
    2,991,555.13/4,128,357.03 = 1,633,428.13/x
  3. Step 3: Cross multiply
    2,991,555.13x = 4,128,357.03 × 1,633,428.13
  4. Step 4: Simplify right side
    2,991,555.13x = 6,743,374,503,485.25
  5. Step 5: Solve for x
    x = 6,743,374,503,485.25/2,991,555.13
  6. Step 6: Final answer
    x = 2,254,136.80

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.