Finding the Fourth Proportional to 1,498,668.80, 2,068,193.12 and 819,648.96
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Solution
The fourth proportional to 1,498,668.80, 2,068,193.12 and 819,648.96 is: 1,131,132.07
Step by Step Solution
- Step 1: Write the proportion equation
1,498,668.80 : 2,068,193.12 = 819,648.96 : x - Step 2: Convert to fraction form
1,498,668.80/2,068,193.12 = 819,648.96/x - Step 3: Cross multiply
1,498,668.80x = 2,068,193.12 × 819,648.96 - Step 4: Simplify right side
1,498,668.80x = 1,695,192,339,887.16 - Step 5: Solve for x
x = 1,695,192,339,887.16/1,498,668.80 - Step 6: Final answer
x = 1,131,132.07
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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.