Finding the Fourth Proportional to 1,515,423.44, 2,273,561.63 and 662,569.99
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Solution
The fourth proportional to 1,515,423.44, 2,273,561.63 and 662,569.99 is: 994,041.45
Step by Step Solution
- Step 1: Write the proportion equation
1,515,423.44 : 2,273,561.63 = 662,569.99 : x - Step 2: Convert to fraction form
1,515,423.44/2,273,561.63 = 662,569.99/x - Step 3: Cross multiply
1,515,423.44x = 2,273,561.63 × 662,569.99 - Step 4: Simplify right side
1,515,423.44x = 1,506,393,706,453.48 - Step 5: Solve for x
x = 1,506,393,706,453.48/1,515,423.44 - Step 6: Final answer
x = 994,041.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.