Finding the Fourth Proportional to 1,490,251.18, 2,235,706.44 and 543,618.76
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Solution
The fourth proportional to 1,490,251.18, 2,235,706.44 and 543,618.76 is: 815,548.40
Step by Step Solution
- Step 1: Write the proportion equation
1,490,251.18 : 2,235,706.44 = 543,618.76 : x - Step 2: Convert to fraction form
1,490,251.18/2,235,706.44 = 543,618.76/x - Step 3: Cross multiply
1,490,251.18x = 2,235,706.44 × 543,618.76 - Step 4: Simplify right side
1,490,251.18x = 1,215,371,962,636.81 - Step 5: Solve for x
x = 1,215,371,962,636.81/1,490,251.18 - Step 6: Final answer
x = 815,548.40
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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.