Finding the Fourth Proportional to 3,593,812.80, 5,390,719.20 and 3,052,603.20
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Solution
The fourth proportional to 3,593,812.80, 5,390,719.20 and 3,052,603.20 is: 4,578,904.80
Step by Step Solution
- Step 1: Write the proportion equation
3,593,812.80 : 5,390,719.20 = 3,052,603.20 : x - Step 2: Convert to fraction form
3,593,812.80/5,390,719.20 = 3,052,603.20/x - Step 3: Cross multiply
3,593,812.80x = 5,390,719.20 × 3,052,603.20 - Step 4: Simplify right side
3,593,812.80x = 16,455,726,680,221.44 - Step 5: Solve for x
x = 16,455,726,680,221.44/3,593,812.80 - Step 6: Final answer
x = 4,578,904.80
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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.