Finding the Fourth Proportional to 5,703,804.75, 7,871,250.56 and 3,289,356.75
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Solution
The fourth proportional to 5,703,804.75, 7,871,250.56 and 3,289,356.75 is: 4,539,312.32
Step by Step Solution
- Step 1: Write the proportion equation
5,703,804.75 : 7,871,250.56 = 3,289,356.75 : x - Step 2: Convert to fraction form
5,703,804.75/7,871,250.56 = 3,289,356.75/x - Step 3: Cross multiply
5,703,804.75x = 7,871,250.56 × 3,289,356.75 - Step 4: Simplify right side
5,703,804.75x = 25,891,351,144,030.50 - Step 5: Solve for x
x = 25,891,351,144,030.50/5,703,804.75 - Step 6: Final answer
x = 4,539,312.32
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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.