Finding the Fourth Proportional to 5,578,775.29, 8,364,911.47 and 2,163,071.50
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Solution
The fourth proportional to 5,578,775.29, 8,364,911.47 and 2,163,071.50 is: 3,243,346.55
Step by Step Solution
- Step 1: Write the proportion equation
5,578,775.29 : 8,364,911.47 = 2,163,071.50 : x - Step 2: Convert to fraction form
5,578,775.29/8,364,911.47 = 2,163,071.50/x - Step 3: Cross multiply
5,578,775.29x = 8,364,911.47 × 2,163,071.50 - Step 4: Simplify right side
5,578,775.29x = 18,093,901,600,780.11 - Step 5: Solve for x
x = 18,093,901,600,780.11/5,578,775.29 - Step 6: Final answer
x = 3,243,346.55
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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.