Finding the Fourth Proportional to 6,120,553.60, 8,446,363.91 and 3,367,181.88
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Solution
The fourth proportional to 6,120,553.60, 8,446,363.91 and 3,367,181.88 is: 4,646,710.96
Step by Step Solution
- Step 1: Write the proportion equation
6,120,553.60 : 8,446,363.91 = 3,367,181.88 : x - Step 2: Convert to fraction form
6,120,553.60/8,446,363.91 = 3,367,181.88/x - Step 3: Cross multiply
6,120,553.60x = 8,446,363.91 × 3,367,181.88 - Step 4: Simplify right side
6,120,553.60x = 28,440,443,505,428.97 - Step 5: Solve for x
x = 28,440,443,505,428.97/6,120,553.60 - Step 6: Final answer
x = 4,646,710.96
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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.