Finding the Fourth Proportional to 2,711,887.70, 3,742,450.96 and 1,488,307.07
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Solution
The fourth proportional to 2,711,887.70, 3,742,450.96 and 1,488,307.07 is: 2,053,888.97
Step by Step Solution
- Step 1: Write the proportion equation
2,711,887.70 : 3,742,450.96 = 1,488,307.07 : x - Step 2: Convert to fraction form
2,711,887.70/3,742,450.96 = 1,488,307.07/x - Step 3: Cross multiply
2,711,887.70x = 3,742,450.96 × 1,488,307.07 - Step 4: Simplify right side
2,711,887.70x = 5,569,916,222,896.29 - Step 5: Solve for x
x = 5,569,916,222,896.29/2,711,887.70 - Step 6: Final answer
x = 2,053,888.97
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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.