Finding the Fourth Proportional to 1,370,874.69, 1,891,211.49 and 826,708.08
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Solution
The fourth proportional to 1,370,874.69, 1,891,211.49 and 826,708.08 is: 1,140,497.98
Step by Step Solution
- Step 1: Write the proportion equation
1,370,874.69 : 1,891,211.49 = 826,708.08 : x - Step 2: Convert to fraction form
1,370,874.69/1,891,211.49 = 826,708.08/x - Step 3: Cross multiply
1,370,874.69x = 1,891,211.49 × 826,708.08 - Step 4: Simplify right side
1,370,874.69x = 1,563,479,819,771.84 - Step 5: Solve for x
x = 1,563,479,819,771.84/1,370,874.69 - Step 6: Final answer
x = 1,140,497.98
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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.