Finding the Fourth Proportional to 1,695,013.44, 2,339,135.77 and 920,651.80
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Solution
The fourth proportional to 1,695,013.44, 2,339,135.77 and 920,651.80 is: 1,270,508.83
Step by Step Solution
- Step 1: Write the proportion equation
1,695,013.44 : 2,339,135.77 = 920,651.80 : x - Step 2: Convert to fraction form
1,695,013.44/2,339,135.77 = 920,651.80/x - Step 3: Cross multiply
1,695,013.44x = 2,339,135.77 × 920,651.80 - Step 4: Simplify right side
1,695,013.44x = 2,153,529,548,478.70 - Step 5: Solve for x
x = 2,153,529,548,478.70/1,695,013.44 - Step 6: Final answer
x = 1,270,508.83
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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.