Finding the Fourth Proportional to 5,906,972.80, 8,860,459.20 and 3,219,587.20
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Solution
The fourth proportional to 5,906,972.80, 8,860,459.20 and 3,219,587.20 is: 4,829,380.80
Step by Step Solution
- Step 1: Write the proportion equation
5,906,972.80 : 8,860,459.20 = 3,219,587.20 : x - Step 2: Convert to fraction form
5,906,972.80/8,860,459.20 = 3,219,587.20/x - Step 3: Cross multiply
5,906,972.80x = 8,860,459.20 × 3,219,587.20 - Step 4: Simplify right side
5,906,972.80x = 28,527,021,026,442.24 - Step 5: Solve for x
x = 28,527,021,026,442.24/5,906,972.80 - Step 6: Final answer
x = 4,829,380.80
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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.