Finding the Fourth Proportional to 4,998,943.76, 6,898,528.69 and 2,707,103.84
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Solution
The fourth proportional to 4,998,943.76, 6,898,528.69 and 2,707,103.84 is: 3,735,795.88
Step by Step Solution
- Step 1: Write the proportion equation
4,998,943.76 : 6,898,528.69 = 2,707,103.84 : x - Step 2: Convert to fraction form
4,998,943.76/6,898,528.69 = 2,707,103.84/x - Step 3: Cross multiply
4,998,943.76x = 6,898,528.69 × 2,707,103.84 - Step 4: Simplify right side
4,998,943.76x = 18,675,033,465,788.77 - Step 5: Solve for x
x = 18,675,033,465,788.77/4,998,943.76 - Step 6: Final answer
x = 3,735,795.88
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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.