Finding the Fourth Proportional to 3,894,885.18, 5,375,051.19 and 2,176,194.78
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Solution
The fourth proportional to 3,894,885.18, 5,375,051.19 and 2,176,194.78 is: 3,003,210.06
Step by Step Solution
- Step 1: Write the proportion equation
3,894,885.18 : 5,375,051.19 = 2,176,194.78 : x - Step 2: Convert to fraction form
3,894,885.18/5,375,051.19 = 2,176,194.78/x - Step 3: Cross multiply
3,894,885.18x = 5,375,051.19 × 2,176,194.78 - Step 4: Simplify right side
3,894,885.18x = 11,697,158,341,910.79 - Step 5: Solve for x
x = 11,697,158,341,910.79/3,894,885.18 - Step 6: Final answer
x = 3,003,210.06
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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.