Finding the Fourth Proportional to 3,861,316.49, 5,792,315.12 and 1,432,497.87
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Solution
The fourth proportional to 3,861,316.49, 5,792,315.12 and 1,432,497.87 is: 2,148,873.08
Step by Step Solution
- Step 1: Write the proportion equation
3,861,316.49 : 5,792,315.12 = 1,432,497.87 : x - Step 2: Convert to fraction form
3,861,316.49/5,792,315.12 = 1,432,497.87/x - Step 3: Cross multiply
3,861,316.49x = 5,792,315.12 × 1,432,497.87 - Step 4: Simplify right side
3,861,316.49x = 8,297,479,071,768.80 - Step 5: Solve for x
x = 8,297,479,071,768.80/3,861,316.49 - Step 6: Final answer
x = 2,148,873.08
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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.