Finding the Fourth Proportional to 4,072,122.47, 5,619,596.74 and 2,236,750.61
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Solution
The fourth proportional to 4,072,122.47, 5,619,596.74 and 2,236,750.61 is: 3,086,753.04
Step by Step Solution
- Step 1: Write the proportion equation
4,072,122.47 : 5,619,596.74 = 2,236,750.61 : x - Step 2: Convert to fraction form
4,072,122.47/5,619,596.74 = 2,236,750.61/x - Step 3: Cross multiply
4,072,122.47x = 5,619,596.74 × 2,236,750.61 - Step 4: Simplify right side
4,072,122.47x = 12,569,636,402,459.15 - Step 5: Solve for x
x = 12,569,636,402,459.15/4,072,122.47 - Step 6: Final answer
x = 3,086,753.04
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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.