Finding the Fourth Proportional to 2,586,245.88, 3,569,130.05 and 1,440,326.23
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Solution
The fourth proportional to 2,586,245.88, 3,569,130.05 and 1,440,326.23 is: 1,987,711.87
Step by Step Solution
- Step 1: Write the proportion equation
2,586,245.88 : 3,569,130.05 = 1,440,326.23 : x - Step 2: Convert to fraction form
2,586,245.88/3,569,130.05 = 1,440,326.23/x - Step 3: Cross multiply
2,586,245.88x = 3,569,130.05 × 1,440,326.23 - Step 4: Simplify right side
2,586,245.88x = 5,140,711,629,296.21 - Step 5: Solve for x
x = 5,140,711,629,296.21/2,586,245.88 - Step 6: Final answer
x = 1,987,711.87
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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.