Finding the Fourth Proportional to 5,236,649.66, 7,854,895.45 and 2,355,982.24
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Solution
The fourth proportional to 5,236,649.66, 7,854,895.45 and 2,355,982.24 is: 3,533,937.80
Step by Step Solution
- Step 1: Write the proportion equation
5,236,649.66 : 7,854,895.45 = 2,355,982.24 : x - Step 2: Convert to fraction form
5,236,649.66/7,854,895.45 = 2,355,982.24/x - Step 3: Cross multiply
5,236,649.66x = 7,854,895.45 × 2,355,982.24 - Step 4: Simplify right side
5,236,649.66x = 18,505,994,165,476.90 - Step 5: Solve for x
x = 18,505,994,165,476.90/5,236,649.66 - Step 6: Final answer
x = 3,533,937.80
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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.