Finding the Fourth Proportional to 2,812,230.18, 3,880,876.47 and 1,523,070.63
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Solution
The fourth proportional to 2,812,230.18, 3,880,876.47 and 1,523,070.63 is: 2,101,836.83
Step by Step Solution
- Step 1: Write the proportion equation
2,812,230.18 : 3,880,876.47 = 1,523,070.63 : x - Step 2: Convert to fraction form
2,812,230.18/3,880,876.47 = 1,523,070.63/x - Step 3: Cross multiply
2,812,230.18x = 3,880,876.47 × 1,523,070.63 - Step 4: Simplify right side
2,812,230.18x = 5,910,848,970,115.08 - Step 5: Solve for x
x = 5,910,848,970,115.08/2,812,230.18 - Step 6: Final answer
x = 2,101,836.83
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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.