Finding the Fourth Proportional to 1,689,056.19, 2,330,898.78 and 914,693.13
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Solution
The fourth proportional to 1,689,056.19, 2,330,898.78 and 914,693.13 is: 1,262,277.19
Step by Step Solution
- Step 1: Write the proportion equation
1,689,056.19 : 2,330,898.78 = 914,693.13 : x - Step 2: Convert to fraction form
1,689,056.19/2,330,898.78 = 914,693.13/x - Step 3: Cross multiply
1,689,056.19x = 2,330,898.78 × 914,693.13 - Step 4: Simplify right side
1,689,056.19x = 2,132,057,100,791.38 - Step 5: Solve for x
x = 2,132,057,100,791.38/1,689,056.19 - Step 6: Final answer
x = 1,262,277.19
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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.