Finding the Fourth Proportional to 3,894,888.68, 5,375,056.02 and 2,176,198.28
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Solution
The fourth proportional to 3,894,888.68, 5,375,056.02 and 2,176,198.28 is: 3,003,214.89
Step by Step Solution
- Step 1: Write the proportion equation
3,894,888.68 : 5,375,056.02 = 2,176,198.28 : x - Step 2: Convert to fraction form
3,894,888.68/5,375,056.02 = 2,176,198.28/x - Step 3: Cross multiply
3,894,888.68x = 5,375,056.02 × 2,176,198.28 - Step 4: Simplify right side
3,894,888.68x = 11,697,187,665,627.64 - Step 5: Solve for x
x = 11,697,187,665,627.64/3,894,888.68 - Step 6: Final answer
x = 3,003,214.89
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.