Finding the Fourth Proportional to 1,994,141.68, 2,990,585.08 and 645,991.49
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Solution
The fourth proportional to 1,994,141.68, 2,990,585.08 and 645,991.49 is: 968,783.98
Step by Step Solution
- Step 1: Write the proportion equation
1,994,141.68 : 2,990,585.08 = 645,991.49 : x - Step 2: Convert to fraction form
1,994,141.68/2,990,585.08 = 645,991.49/x - Step 3: Cross multiply
1,994,141.68x = 2,990,585.08 × 645,991.49 - Step 4: Simplify right side
1,994,141.68x = 1,931,892,511,800.97 - Step 5: Solve for x
x = 1,931,892,511,800.97/1,994,141.68 - Step 6: Final answer
x = 968,783.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.