Finding the Fourth Proportional to 1,941,861.60, 2,679,769.98 and 1,082,402.19
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Solution
The fourth proportional to 1,941,861.60, 2,679,769.98 and 1,082,402.19 is: 1,493,715.56
Step by Step Solution
- Step 1: Write the proportion equation
1,941,861.60 : 2,679,769.98 = 1,082,402.19 : x - Step 2: Convert to fraction form
1,941,861.60/2,679,769.98 = 1,082,402.19/x - Step 3: Cross multiply
1,941,861.60x = 2,679,769.98 × 1,082,402.19 - Step 4: Simplify right side
1,941,861.60x = 2,900,588,895,048.26 - Step 5: Solve for x
x = 2,900,588,895,048.26/1,941,861.60 - Step 6: Final answer
x = 1,493,715.56
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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.