Finding the Fourth Proportional to 1,676,861.70, 2,314,110.75 and 912,957.18
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Solution
The fourth proportional to 1,676,861.70, 2,314,110.75 and 912,957.18 is: 1,259,903.56
Step by Step Solution
- Step 1: Write the proportion equation
1,676,861.70 : 2,314,110.75 = 912,957.18 : x - Step 2: Convert to fraction form
1,676,861.70/2,314,110.75 = 912,957.18/x - Step 3: Cross multiply
1,676,861.70x = 2,314,110.75 × 912,957.18 - Step 4: Simplify right side
1,676,861.70x = 2,112,684,024,527.69 - Step 5: Solve for x
x = 2,112,684,024,527.69/1,676,861.70 - Step 6: Final answer
x = 1,259,903.56
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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.