Finding the Fourth Proportional to 3,860,808.09, 5,791,253.44 and 1,165,157.45
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Solution
The fourth proportional to 3,860,808.09, 5,791,253.44 and 1,165,157.45 is: 1,747,748.64
Step by Step Solution
- Step 1: Write the proportion equation
3,860,808.09 : 5,791,253.44 = 1,165,157.45 : x - Step 2: Convert to fraction form
3,860,808.09/5,791,253.44 = 1,165,157.45/x - Step 3: Cross multiply
3,860,808.09x = 5,791,253.44 × 1,165,157.45 - Step 4: Simplify right side
3,860,808.09x = 6,747,722,090,454.13 - Step 5: Solve for x
x = 6,747,722,090,454.13/3,860,808.09 - Step 6: Final answer
x = 1,747,748.64
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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.