Finding the Fourth Proportional to 2,551,912.09, 3,521,702.10 and 1,571,479.99
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Solution
The fourth proportional to 2,551,912.09, 3,521,702.10 and 1,571,479.99 is: 2,168,681.44
Step by Step Solution
- Step 1: Write the proportion equation
2,551,912.09 : 3,521,702.10 = 1,571,479.99 : x - Step 2: Convert to fraction form
2,551,912.09/3,521,702.10 = 1,571,479.99/x - Step 3: Cross multiply
2,551,912.09x = 3,521,702.10 × 1,571,479.99 - Step 4: Simplify right side
2,551,912.09x = 5,534,284,377,979.77 - Step 5: Solve for x
x = 5,534,284,377,979.77/2,551,912.09 - Step 6: Final answer
x = 2,168,681.44
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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.