Finding the Fourth Proportional to 7,090,644.66, 9,784,956.74 and 4,337,129.84
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Solution
The fourth proportional to 7,090,644.66, 9,784,956.74 and 4,337,129.84 is: 5,985,157.89
Step by Step Solution
- Step 1: Write the proportion equation
7,090,644.66 : 9,784,956.74 = 4,337,129.84 : x - Step 2: Convert to fraction form
7,090,644.66/9,784,956.74 = 4,337,129.84/x - Step 3: Cross multiply
7,090,644.66x = 9,784,956.74 × 4,337,129.84 - Step 4: Simplify right side
7,090,644.66x = 42,438,627,860,163.12 - Step 5: Solve for x
x = 42,438,627,860,163.12/7,090,644.66 - Step 6: Final answer
x = 5,985,157.89
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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.