Finding the Fourth Proportional to 2,664,966.63, 3,999,221.42 and 1,245,133.43
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Solution
The fourth proportional to 2,664,966.63, 3,999,221.42 and 1,245,133.43 is: 1,868,527.82
Step by Step Solution
- Step 1: Write the proportion equation
2,664,966.63 : 3,999,221.42 = 1,245,133.43 : x - Step 2: Convert to fraction form
2,664,966.63/3,999,221.42 = 1,245,133.43/x - Step 3: Cross multiply
2,664,966.63x = 3,999,221.42 × 1,245,133.43 - Step 4: Simplify right side
2,664,966.63x = 4,979,564,284,014.07 - Step 5: Solve for x
x = 4,979,564,284,014.07/2,664,966.63 - Step 6: Final answer
x = 1,868,527.82
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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.