Finding the Fourth Proportional to 5,226,535.47, 7,840,911.29 and 1,860,732.75
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Solution
The fourth proportional to 5,226,535.47, 7,840,911.29 and 1,860,732.75 is: 2,791,493.62
Step by Step Solution
- Step 1: Write the proportion equation
5,226,535.47 : 7,840,911.29 = 1,860,732.75 : x - Step 2: Convert to fraction form
5,226,535.47/7,840,911.29 = 1,860,732.75/x - Step 3: Cross multiply
5,226,535.47x = 7,840,911.29 × 1,860,732.75 - Step 4: Simplify right side
5,226,535.47x = 14,589,840,417,844.08 - Step 5: Solve for x
x = 14,589,840,417,844.08/5,226,535.47 - Step 6: Final answer
x = 2,791,493.62
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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.