Finding the Fourth Proportional to 2,139,197.24, 3,208,729.98 and 876,073.52
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Solution
The fourth proportional to 2,139,197.24, 3,208,729.98 and 876,073.52 is: 1,314,083.30
Step by Step Solution
- Step 1: Write the proportion equation
2,139,197.24 : 3,208,729.98 = 876,073.52 : x - Step 2: Convert to fraction form
2,139,197.24/3,208,729.98 = 876,073.52/x - Step 3: Cross multiply
2,139,197.24x = 3,208,729.98 × 876,073.52 - Step 4: Simplify right side
2,139,197.24x = 2,811,083,368,308.13 - Step 5: Solve for x
x = 2,811,083,368,308.13/2,139,197.24 - Step 6: Final answer
x = 1,314,083.30
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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.