Finding the Fourth Proportional to 2,198,917.84, 3,034,504.58 and 1,232,055.05
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Solution
The fourth proportional to 2,198,917.84, 3,034,504.58 and 1,232,055.05 is: 1,700,234.82
Step by Step Solution
- Step 1: Write the proportion equation
2,198,917.84 : 3,034,504.58 = 1,232,055.05 : x - Step 2: Convert to fraction form
2,198,917.84/3,034,504.58 = 1,232,055.05/x - Step 3: Cross multiply
2,198,917.84x = 3,034,504.58 × 1,232,055.05 - Step 4: Simplify right side
2,198,917.84x = 3,738,676,676,864.61 - Step 5: Solve for x
x = 3,738,676,676,864.61/2,198,917.84 - Step 6: Final answer
x = 1,700,234.82
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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.