Finding the Fourth Proportional to 2,972,620.48, 4,102,078.92 and 1,683,470.17
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Solution
The fourth proportional to 2,972,620.48, 4,102,078.92 and 1,683,470.17 is: 2,323,111.05
Step by Step Solution
- Step 1: Write the proportion equation
2,972,620.48 : 4,102,078.92 = 1,683,470.17 : x - Step 2: Convert to fraction form
2,972,620.48/4,102,078.92 = 1,683,470.17/x - Step 3: Cross multiply
2,972,620.48x = 4,102,078.92 × 1,683,470.17 - Step 4: Simplify right side
2,972,620.48x = 6,905,727,496,805.82 - Step 5: Solve for x
x = 6,905,727,496,805.82/2,972,620.48 - Step 6: Final answer
x = 2,323,111.05
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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.