Finding the Fourth Proportional to 2,668,235.51, 4,006,339.18 and 2,628,377.44
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Solution
The fourth proportional to 2,668,235.51, 4,006,339.18 and 2,628,377.44 is: 3,946,492.52
Step by Step Solution
- Step 1: Write the proportion equation
2,668,235.51 : 4,006,339.18 = 2,628,377.44 : x - Step 2: Convert to fraction form
2,668,235.51/4,006,339.18 = 2,628,377.44/x - Step 3: Cross multiply
2,668,235.51x = 4,006,339.18 × 2,628,377.44 - Step 4: Simplify right side
2,668,235.51x = 10,530,171,501,113.31 - Step 5: Solve for x
x = 10,530,171,501,113.31/2,668,235.51 - Step 6: Final answer
x = 3,946,492.52
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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.