Finding the Fourth Proportional to 5,628,665.36, 7,767,946.44 and 3,424,388.08
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Solution
The fourth proportional to 5,628,665.36, 7,767,946.44 and 3,424,388.08 is: 4,725,891.75
Step by Step Solution
- Step 1: Write the proportion equation
5,628,665.36 : 7,767,946.44 = 3,424,388.08 : x - Step 2: Convert to fraction form
5,628,665.36/7,767,946.44 = 3,424,388.08/x - Step 3: Cross multiply
5,628,665.36x = 7,767,946.44 × 3,424,388.08 - Step 4: Simplify right side
5,628,665.36x = 26,600,463,195,214.44 - Step 5: Solve for x
x = 26,600,463,195,214.44/5,628,665.36 - Step 6: Final answer
x = 4,725,891.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.