Finding the Fourth Proportional to 1,593,635, 2,199,216.35 and 878,243
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Solution
The fourth proportional to 1,593,635, 2,199,216.35 and 878,243 is: 1,211,975.37
Step by Step Solution
- Step 1: Write the proportion equation
1,593,635 : 2,199,216.35 = 878,243 : x - Step 2: Convert to fraction form
1,593,635/2,199,216.35 = 878,243/x - Step 3: Cross multiply
1,593,635x = 2,199,216.35 × 878,243 - Step 4: Simplify right side
1,593,635x = 1,931,446,364,873.05 - Step 5: Solve for x
x = 1,931,446,364,873.05/1,593,635 - Step 6: Final answer
x = 1,211,975.37
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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.