Finding the Fourth Proportional to 1,670,761.19, 2,296,786.49 and 1,437,336.31
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Solution
The fourth proportional to 1,670,761.19, 2,296,786.49 and 1,437,336.31 is: 1,975,898.55
Step by Step Solution
- Step 1: Write the proportion equation
1,670,761.19 : 2,296,786.49 = 1,437,336.31 : x - Step 2: Convert to fraction form
1,670,761.19/2,296,786.49 = 1,437,336.31/x - Step 3: Cross multiply
1,670,761.19x = 2,296,786.49 × 1,437,336.31 - Step 4: Simplify right side
1,670,761.19x = 3,301,254,618,394.45 - Step 5: Solve for x
x = 3,301,254,618,394.45/1,670,761.19 - Step 6: Final answer
x = 1,975,898.55
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.