Finding the Fourth Proportional to 3,787,120.94, 5,689,089.74 and 2,348,867.73
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Solution
The fourth proportional to 3,787,120.94, 5,689,089.74 and 2,348,867.73 is: 3,528,516.65
Step by Step Solution
- Step 1: Write the proportion equation
3,787,120.94 : 5,689,089.74 = 2,348,867.73 : x - Step 2: Convert to fraction form
3,787,120.94/5,689,089.74 = 2,348,867.73/x - Step 3: Cross multiply
3,787,120.94x = 5,689,089.74 × 2,348,867.73 - Step 4: Simplify right side
3,787,120.94x = 13,362,919,311,520.15 - Step 5: Solve for x
x = 13,362,919,311,520.15/3,787,120.94 - Step 6: Final answer
x = 3,528,516.65
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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.