Home / 3,620,578.03-4,996,448.85-1,989,136.17

Finding the Fourth Proportional to 3,620,578.03, 4,996,448.85 and 1,989,136.17

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Solution

The fourth proportional to 3,620,578.03, 4,996,448.85 and 1,989,136.17 is: 2,745,036.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620,578.03 : 4,996,448.85 = 1,989,136.17 : x
  2. Step 2: Convert to fraction form
    3,620,578.03/4,996,448.85 = 1,989,136.17/x
  3. Step 3: Cross multiply
    3,620,578.03x = 4,996,448.85 × 1,989,136.17
  4. Step 4: Simplify right side
    3,620,578.03x = 9,938,617,136,549.16
  5. Step 5: Solve for x
    x = 9,938,617,136,549.16/3,620,578.03
  6. Step 6: Final answer
    x = 2,745,036.03

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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.