Finding the Fourth Proportional to 1,999,068.96, 2,997,701.91 and 987,796.65
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Solution
The fourth proportional to 1,999,068.96, 2,997,701.91 and 987,796.65 is: 1,481,249.50
Step by Step Solution
- Step 1: Write the proportion equation
1,999,068.96 : 2,997,701.91 = 987,796.65 : x - Step 2: Convert to fraction form
1,999,068.96/2,997,701.91 = 987,796.65/x - Step 3: Cross multiply
1,999,068.96x = 2,997,701.91 × 987,796.65 - Step 4: Simplify right side
1,999,068.96x = 2,961,119,904,396.60 - Step 5: Solve for x
x = 2,961,119,904,396.60/1,999,068.96 - Step 6: Final answer
x = 1,481,249.50
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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.