Finding the Fourth Proportional to 1,711,829.70, 2,364,785.69 and 1,367,213.18
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Solution
The fourth proportional to 1,711,829.70, 2,364,785.69 and 1,367,213.18 is: 1,888,719.51
Step by Step Solution
- Step 1: Write the proportion equation
1,711,829.70 : 2,364,785.69 = 1,367,213.18 : x - Step 2: Convert to fraction form
1,711,829.70/2,364,785.69 = 1,367,213.18/x - Step 3: Cross multiply
1,711,829.70x = 2,364,785.69 × 1,367,213.18 - Step 4: Simplify right side
1,711,829.70x = 3,233,166,144,583.40 - Step 5: Solve for x
x = 3,233,166,144,583.40/1,711,829.70 - Step 6: Final answer
x = 1,888,719.51
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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.