Finding the Fourth Proportional to 2,972,683.48, 4,102,165.72 and 1,683,533.12
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Solution
The fourth proportional to 2,972,683.48, 4,102,165.72 and 1,683,533.12 is: 2,323,197.84
Step by Step Solution
- Step 1: Write the proportion equation
2,972,683.48 : 4,102,165.72 = 1,683,533.12 : x - Step 2: Convert to fraction form
2,972,683.48/4,102,165.72 = 1,683,533.12/x - Step 3: Cross multiply
2,972,683.48x = 4,102,165.72 × 1,683,533.12 - Step 4: Simplify right side
2,972,683.48x = 6,906,131,853,348.65 - Step 5: Solve for x
x = 6,906,131,853,348.65/2,972,683.48 - Step 6: Final answer
x = 2,323,197.84
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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.