Finding the Fourth Proportional to 5,157,392.80, 7,733,419.36 and 2,315,057.44
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Solution
The fourth proportional to 5,157,392.80, 7,733,419.36 and 2,315,057.44 is: 3,471,387.72
Step by Step Solution
- Step 1: Write the proportion equation
5,157,392.80 : 7,733,419.36 = 2,315,057.44 : x - Step 2: Convert to fraction form
5,157,392.80/7,733,419.36 = 2,315,057.44/x - Step 3: Cross multiply
5,157,392.80x = 7,733,419.36 × 2,315,057.44 - Step 4: Simplify right side
5,157,392.80x = 17,903,310,026,008.04 - Step 5: Solve for x
x = 17,903,310,026,008.04/5,157,392.80 - Step 6: Final answer
x = 3,471,387.72
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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.