Finding the Fourth Proportional to 5,328,045.60, 7,988,131.80 and 2,934,592.80
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Solution
The fourth proportional to 5,328,045.60, 7,988,131.80 and 2,934,592.80 is: 4,399,720.99
Step by Step Solution
- Step 1: Write the proportion equation
5,328,045.60 : 7,988,131.80 = 2,934,592.80 : x - Step 2: Convert to fraction form
5,328,045.60/7,988,131.80 = 2,934,592.80/x - Step 3: Cross multiply
5,328,045.60x = 7,988,131.80 × 2,934,592.80 - Step 4: Simplify right side
5,328,045.60x = 23,441,914,065,731.04 - Step 5: Solve for x
x = 23,441,914,065,731.04/5,328,045.60 - Step 6: Final answer
x = 4,399,720.99
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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.