Finding the Fourth Proportional to 5,740,247.25, 7,921,541.63 and 3,161,928.02
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Solution
The fourth proportional to 5,740,247.25, 7,921,541.63 and 3,161,928.02 is: 4,363,460.90
Step by Step Solution
- Step 1: Write the proportion equation
5,740,247.25 : 7,921,541.63 = 3,161,928.02 : x - Step 2: Convert to fraction form
5,740,247.25/7,921,541.63 = 3,161,928.02/x - Step 3: Cross multiply
5,740,247.25x = 7,921,541.63 × 3,161,928.02 - Step 4: Simplify right side
5,740,247.25x = 25,047,344,441,493.47 - Step 5: Solve for x
x = 25,047,344,441,493.47/5,740,247.25 - Step 6: Final answer
x = 4,363,460.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.