Finding the Fourth Proportional to 5,566,802.40, 8,345,343.60 and 2,157,415.20
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Solution
The fourth proportional to 5,566,802.40, 8,345,343.60 and 2,157,415.20 is: 3,234,239.31
Step by Step Solution
- Step 1: Write the proportion equation
5,566,802.40 : 8,345,343.60 = 2,157,415.20 : x - Step 2: Convert to fraction form
5,566,802.40/8,345,343.60 = 2,157,415.20/x - Step 3: Cross multiply
5,566,802.40x = 8,345,343.60 × 2,157,415.20 - Step 4: Simplify right side
5,566,802.40x = 18,004,371,131,862.72 - Step 5: Solve for x
x = 18,004,371,131,862.72/5,566,802.40 - Step 6: Final answer
x = 3,234,239.31
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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.