Finding the Fourth Proportional to 5,728,312.71, 8,590,631.28 and 1,889,272.05
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Solution
The fourth proportional to 5,728,312.71, 8,590,631.28 and 1,889,272.05 is: 2,833,301.94
Step by Step Solution
- Step 1: Write the proportion equation
5,728,312.71 : 8,590,631.28 = 1,889,272.05 : x - Step 2: Convert to fraction form
5,728,312.71/8,590,631.28 = 1,889,272.05/x - Step 3: Cross multiply
5,728,312.71x = 8,590,631.28 × 1,889,272.05 - Step 4: Simplify right side
5,728,312.71x = 16,230,039,529,860.08 - Step 5: Solve for x
x = 16,230,039,529,860.08/5,728,312.71 - Step 6: Final answer
x = 2,833,301.94
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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.