Finding the Fourth Proportional to 1,676,620.88, 2,313,737.08 and 912,680.18
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Solution
The fourth proportional to 1,676,620.88, 2,313,737.08 and 912,680.18 is: 1,259,498.79
Step by Step Solution
- Step 1: Write the proportion equation
1,676,620.88 : 2,313,737.08 = 912,680.18 : x - Step 2: Convert to fraction form
1,676,620.88/2,313,737.08 = 912,680.18/x - Step 3: Cross multiply
1,676,620.88x = 2,313,737.08 × 912,680.18 - Step 4: Simplify right side
1,676,620.88x = 2,111,701,974,647.07 - Step 5: Solve for x
x = 2,111,701,974,647.07/1,676,620.88 - Step 6: Final answer
x = 1,259,498.79
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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.