Finding the Fourth Proportional to 2,138,753.70, 3,207,171.52 and 1,274,596.71
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Solution
The fourth proportional to 2,138,753.70, 3,207,171.52 and 1,274,596.71 is: 1,911,323.53
Step by Step Solution
- Step 1: Write the proportion equation
2,138,753.70 : 3,207,171.52 = 1,274,596.71 : x - Step 2: Convert to fraction form
2,138,753.70/3,207,171.52 = 1,274,596.71/x - Step 3: Cross multiply
2,138,753.70x = 3,207,171.52 × 1,274,596.71 - Step 4: Simplify right side
2,138,753.70x = 4,087,850,267,797.70 - Step 5: Solve for x
x = 4,087,850,267,797.70/2,138,753.70 - Step 6: Final answer
x = 1,911,323.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.