Finding the Fourth Proportional to 4,411,187.20, 6,608,032.80 and 3,885,140.80
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Solution
The fourth proportional to 4,411,187.20, 6,608,032.80 and 3,885,140.80 is: 5,820,006.42
Step by Step Solution
- Step 1: Write the proportion equation
4,411,187.20 : 6,608,032.80 = 3,885,140.80 : x - Step 2: Convert to fraction form
4,411,187.20/6,608,032.80 = 3,885,140.80/x - Step 3: Cross multiply
4,411,187.20x = 6,608,032.80 × 3,885,140.80 - Step 4: Simplify right side
4,411,187.20x = 25,673,137,839,018.24 - Step 5: Solve for x
x = 25,673,137,839,018.24/4,411,187.20 - Step 6: Final answer
x = 5,820,006.42
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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.