Finding the Fourth Proportional to 2,194,718.58, 3,028,689.33 and 1,214,659.53
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Solution
The fourth proportional to 2,194,718.58, 3,028,689.33 and 1,214,659.53 is: 1,676,217.80
Step by Step Solution
- Step 1: Write the proportion equation
2,194,718.58 : 3,028,689.33 = 1,214,659.53 : x - Step 2: Convert to fraction form
2,194,718.58/3,028,689.33 = 1,214,659.53/x - Step 3: Cross multiply
2,194,718.58x = 3,028,689.33 × 1,214,659.53 - Step 4: Simplify right side
2,194,718.58x = 3,678,826,358,093.82 - Step 5: Solve for x
x = 3,678,826,358,093.82/2,194,718.58 - Step 6: Final answer
x = 1,676,217.80
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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.