Finding the Fourth Proportional to 3,880,816.80, 5,316,737.98 and 3,735,364.80
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Solution
The fourth proportional to 3,880,816.80, 5,316,737.98 and 3,735,364.80 is: 5,117,468.03
Step by Step Solution
- Step 1: Write the proportion equation
3,880,816.80 : 5,316,737.98 = 3,735,364.80 : x - Step 2: Convert to fraction form
3,880,816.80/5,316,737.98 = 3,735,364.80/x - Step 3: Cross multiply
3,880,816.80x = 5,316,737.98 × 3,735,364.80 - Step 4: Simplify right side
3,880,816.80x = 19,859,955,901,315.11 - Step 5: Solve for x
x = 19,859,955,901,315.11/3,880,816.80 - Step 6: Final answer
x = 5,117,468.03
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.