Finding the Fourth Proportional to 5,507,749.96, 8,255,718.42 and 2,663,950.12
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Solution
The fourth proportional to 5,507,749.96, 8,255,718.42 and 2,663,950.12 is: 3,993,068.36
Step by Step Solution
- Step 1: Write the proportion equation
5,507,749.96 : 8,255,718.42 = 2,663,950.12 : x - Step 2: Convert to fraction form
5,507,749.96/8,255,718.42 = 2,663,950.12/x - Step 3: Cross multiply
5,507,749.96x = 8,255,718.42 × 2,663,950.12 - Step 4: Simplify right side
5,507,749.96x = 21,992,822,075,645.21 - Step 5: Solve for x
x = 21,992,822,075,645.21/5,507,749.96 - Step 6: Final answer
x = 3,993,068.36
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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.