Finding the Fourth Proportional to 5,529,321.71, 8,293,975.40 and 1,485,809.58
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Solution
The fourth proportional to 5,529,321.71, 8,293,975.40 and 1,485,809.58 is: 2,228,712.45
Step by Step Solution
- Step 1: Write the proportion equation
5,529,321.71 : 8,293,975.40 = 1,485,809.58 : x - Step 2: Convert to fraction form
5,529,321.71/8,293,975.40 = 1,485,809.58/x - Step 3: Cross multiply
5,529,321.71x = 8,293,975.40 × 1,485,809.58 - Step 4: Simplify right side
5,529,321.71x = 12,323,268,098,175.28 - Step 5: Solve for x
x = 12,323,268,098,175.28/5,529,321.71 - Step 6: Final answer
x = 2,228,712.45
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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.