Finding the Fourth Proportional to 2,989,838.91, 4,125,434.44 and 1,766,343.63
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Solution
The fourth proportional to 2,989,838.91, 4,125,434.44 and 1,766,343.63 is: 2,437,233.26
Step by Step Solution
- Step 1: Write the proportion equation
2,989,838.91 : 4,125,434.44 = 1,766,343.63 : x - Step 2: Convert to fraction form
2,989,838.91/4,125,434.44 = 1,766,343.63/x - Step 3: Cross multiply
2,989,838.91x = 4,125,434.44 × 1,766,343.63 - Step 4: Simplify right side
2,989,838.91x = 7,286,934,844,076.62 - Step 5: Solve for x
x = 7,286,934,844,076.62/2,989,838.91 - Step 6: Final answer
x = 2,437,233.26
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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.