Finding the Fourth Proportional to 1,395,440.66, 2,091,832.38 and 448,147.08
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Solution
The fourth proportional to 1,395,440.66, 2,091,832.38 and 448,147.08 is: 671,793.94
Step by Step Solution
- Step 1: Write the proportion equation
1,395,440.66 : 2,091,832.38 = 448,147.08 : x - Step 2: Convert to fraction form
1,395,440.66/2,091,832.38 = 448,147.08/x - Step 3: Cross multiply
1,395,440.66x = 2,091,832.38 × 448,147.08 - Step 4: Simplify right side
1,395,440.66x = 937,448,572,946.45 - Step 5: Solve for x
x = 937,448,572,946.45/1,395,440.66 - Step 6: Final answer
x = 671,793.94
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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.