Finding the Fourth Proportional to 5,423,129.02, 8,134,741.19 and 1,379,621.11
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Solution
The fourth proportional to 5,423,129.02, 8,134,741.19 and 1,379,621.11 is: 2,069,443.79
Step by Step Solution
- Step 1: Write the proportion equation
5,423,129.02 : 8,134,741.19 = 1,379,621.11 : x - Step 2: Convert to fraction form
5,423,129.02/8,134,741.19 = 1,379,621.11/x - Step 3: Cross multiply
5,423,129.02x = 8,134,741.19 × 1,379,621.11 - Step 4: Simplify right side
5,423,129.02x = 11,222,860,670,900.73 - Step 5: Solve for x
x = 11,222,860,670,900.73/5,423,129.02 - Step 6: Final answer
x = 2,069,443.79
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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.