Finding the Fourth Proportional to 2,236,006.72, 3,087,607.19 and 2,163,701.70
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Solution
The fourth proportional to 2,236,006.72, 3,087,607.19 and 2,163,701.70 is: 2,987,764.24
Step by Step Solution
- Step 1: Write the proportion equation
2,236,006.72 : 3,087,607.19 = 2,163,701.70 : x - Step 2: Convert to fraction form
2,236,006.72/3,087,607.19 = 2,163,701.70/x - Step 3: Cross multiply
2,236,006.72x = 3,087,607.19 × 2,163,701.70 - Step 4: Simplify right side
2,236,006.72x = 6,680,660,925,935.22 - Step 5: Solve for x
x = 6,680,660,925,935.22/2,236,006.72 - Step 6: Final answer
x = 2,987,764.24
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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.