Finding the Fourth Proportional to 1,718,211.84, 2,370,771.84 and 1,039,015.68
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Solution
The fourth proportional to 1,718,211.84, 2,370,771.84 and 1,039,015.68 is: 1,433,623.64
Step by Step Solution
- Step 1: Write the proportion equation
1,718,211.84 : 2,370,771.84 = 1,039,015.68 : x - Step 2: Convert to fraction form
1,718,211.84/2,370,771.84 = 1,039,015.68/x - Step 3: Cross multiply
1,718,211.84x = 2,370,771.84 × 1,039,015.68 - Step 4: Simplify right side
1,718,211.84x = 2,463,269,115,462.45 - Step 5: Solve for x
x = 2,463,269,115,462.45/1,718,211.84 - Step 6: Final answer
x = 1,433,623.64
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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.