Finding the Fourth Proportional to 1,324,555.74, 1,987,418.63 and 1,027,615.82
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Solution
The fourth proportional to 1,324,555.74, 1,987,418.63 and 1,027,615.82 is: 1,541,877.59
Step by Step Solution
- Step 1: Write the proportion equation
1,324,555.74 : 1,987,418.63 = 1,027,615.82 : x - Step 2: Convert to fraction form
1,324,555.74/1,987,418.63 = 1,027,615.82/x - Step 3: Cross multiply
1,324,555.74x = 1,987,418.63 × 1,027,615.82 - Step 4: Simplify right side
1,324,555.74x = 2,042,302,817,782.67 - Step 5: Solve for x
x = 2,042,302,817,782.67/1,324,555.74 - Step 6: Final answer
x = 1,541,877.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.