Home / 1,999,012.10-2,998,515.82-651,172.53

Finding the Fourth Proportional to 1,999,012.10, 2,998,515.82 and 651,172.53

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Solution

The fourth proportional to 1,999,012.10, 2,998,515.82 and 651,172.53 is: 976,758.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,012.10 : 2,998,515.82 = 651,172.53 : x
  2. Step 2: Convert to fraction form
    1,999,012.10/2,998,515.82 = 651,172.53/x
  3. Step 3: Cross multiply
    1,999,012.10x = 2,998,515.82 × 651,172.53
  4. Step 4: Simplify right side
    1,999,012.10x = 1,952,551,114,505.98
  5. Step 5: Solve for x
    x = 1,952,551,114,505.98/1,999,012.10
  6. Step 6: Final answer
    x = 976,758.03

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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.