Finding the Fourth Proportional to 3,236,040.09, 4,465,542.84 and 1,785,871.98
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Solution
The fourth proportional to 3,236,040.09, 4,465,542.84 and 1,785,871.98 is: 2,464,397.11
Step by Step Solution
- Step 1: Write the proportion equation
3,236,040.09 : 4,465,542.84 = 1,785,871.98 : x - Step 2: Convert to fraction form
3,236,040.09/4,465,542.84 = 1,785,871.98/x - Step 3: Cross multiply
3,236,040.09x = 4,465,542.84 × 1,785,871.98 - Step 4: Simplify right side
3,236,040.09x = 7,974,887,833,445.62 - Step 5: Solve for x
x = 7,974,887,833,445.62/3,236,040.09 - Step 6: Final answer
x = 2,464,397.11
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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.