Finding the Fourth Proportional to 1,395,439.07, 2,091,829.99 and 448,145.49
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Solution
The fourth proportional to 1,395,439.07, 2,091,829.99 and 448,145.49 is: 671,791.54
Step by Step Solution
- Step 1: Write the proportion equation
1,395,439.07 : 2,091,829.99 = 448,145.49 : x - Step 2: Convert to fraction form
1,395,439.07/2,091,829.99 = 448,145.49/x - Step 3: Cross multiply
1,395,439.07x = 2,091,829.99 × 448,145.49 - Step 4: Simplify right side
1,395,439.07x = 937,444,166,900.52 - Step 5: Solve for x
x = 937,444,166,900.52/1,395,439.07 - Step 6: Final answer
x = 671,791.54
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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.