Finding the Fourth Proportional to 1,664,724.80, 2,493,400.80 and 1,369,812.80
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Solution
The fourth proportional to 1,664,724.80, 2,493,400.80 and 1,369,812.80 is: 2,051,685.86
Step by Step Solution
- Step 1: Write the proportion equation
1,664,724.80 : 2,493,400.80 = 1,369,812.80 : x - Step 2: Convert to fraction form
1,664,724.80/2,493,400.80 = 1,369,812.80/x - Step 3: Cross multiply
1,664,724.80x = 2,493,400.80 × 1,369,812.80 - Step 4: Simplify right side
1,664,724.80x = 3,415,492,331,370.24 - Step 5: Solve for x
x = 3,415,492,331,370.24/1,664,724.80 - Step 6: Final answer
x = 2,051,685.86
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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.