Finding the Fourth Proportional to 5,282,502.24, 7,289,852.64 and 2,868,054.24
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Solution
The fourth proportional to 5,282,502.24, 7,289,852.64 and 2,868,054.24 is: 3,957,914.61
Step by Step Solution
- Step 1: Write the proportion equation
5,282,502.24 : 7,289,852.64 = 2,868,054.24 : x - Step 2: Convert to fraction form
5,282,502.24/7,289,852.64 = 2,868,054.24/x - Step 3: Cross multiply
5,282,502.24x = 7,289,852.64 × 2,868,054.24 - Step 4: Simplify right side
5,282,502.24x = 20,907,692,773,127.20 - Step 5: Solve for x
x = 20,907,692,773,127.20/5,282,502.24 - Step 6: Final answer
x = 3,957,914.61
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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.