Finding the Fourth Proportional to 6,876,377.49, 9,489,457.22 and 4,299,552.03
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Solution
The fourth proportional to 6,876,377.49, 9,489,457.22 and 4,299,552.03 is: 5,933,416.99
Step by Step Solution
- Step 1: Write the proportion equation
6,876,377.49 : 9,489,457.22 = 4,299,552.03 : x - Step 2: Convert to fraction form
6,876,377.49/9,489,457.22 = 4,299,552.03/x - Step 3: Cross multiply
6,876,377.49x = 9,489,457.22 × 4,299,552.03 - Step 4: Simplify right side
6,876,377.49x = 40,800,415,032,351.40 - Step 5: Solve for x
x = 40,800,415,032,351.40/6,876,377.49 - Step 6: Final answer
x = 5,933,416.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.