Finding the Fourth Proportional to 4,689,838.63, 7,029,880.62 and 1,813,181.23
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Solution
The fourth proportional to 4,689,838.63, 7,029,880.62 and 1,813,181.23 is: 2,717,886.18
Step by Step Solution
- Step 1: Write the proportion equation
4,689,838.63 : 7,029,880.62 = 1,813,181.23 : x - Step 2: Convert to fraction form
4,689,838.63/7,029,880.62 = 1,813,181.23/x - Step 3: Cross multiply
4,689,838.63x = 7,029,880.62 × 1,813,181.23 - Step 4: Simplify right side
4,689,838.63x = 12,746,447,589,324.76 - Step 5: Solve for x
x = 12,746,447,589,324.76/4,689,838.63 - Step 6: Final answer
x = 2,717,886.18
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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.