Finding the Fourth Proportional to 5,683,399.16, 7,843,203.70 and 3,105,239.64
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Solution
The fourth proportional to 5,683,399.16, 7,843,203.70 and 3,105,239.64 is: 4,285,292.37
Step by Step Solution
- Step 1: Write the proportion equation
5,683,399.16 : 7,843,203.70 = 3,105,239.64 : x - Step 2: Convert to fraction form
5,683,399.16/7,843,203.70 = 3,105,239.64/x - Step 3: Cross multiply
5,683,399.16x = 7,843,203.70 × 3,105,239.64 - Step 4: Simplify right side
5,683,399.16x = 24,355,027,033,834.67 - Step 5: Solve for x
x = 24,355,027,033,834.67/5,683,399.16 - Step 6: Final answer
x = 4,285,292.37
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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.