Finding the Fourth Proportional to 1,603,649.98, 2,213,030.46 and 878,496.67
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Solution
The fourth proportional to 1,603,649.98, 2,213,030.46 and 878,496.67 is: 1,212,321.84
Step by Step Solution
- Step 1: Write the proportion equation
1,603,649.98 : 2,213,030.46 = 878,496.67 : x - Step 2: Convert to fraction form
1,603,649.98/2,213,030.46 = 878,496.67/x - Step 3: Cross multiply
1,603,649.98x = 2,213,030.46 × 878,496.67 - Step 4: Simplify right side
1,603,649.98x = 1,944,139,889,718.57 - Step 5: Solve for x
x = 1,944,139,889,718.57/1,603,649.98 - Step 6: Final answer
x = 1,212,321.84
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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.