Finding the Fourth Proportional to 1,888,976.95, 2,834,302.98 and 990,204.19
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Solution
The fourth proportional to 1,888,976.95, 2,834,302.98 and 990,204.19 is: 1,485,745.33
Step by Step Solution
- Step 1: Write the proportion equation
1,888,976.95 : 2,834,302.98 = 990,204.19 : x - Step 2: Convert to fraction form
1,888,976.95/2,834,302.98 = 990,204.19/x - Step 3: Cross multiply
1,888,976.95x = 2,834,302.98 × 990,204.19 - Step 4: Simplify right side
1,888,976.95x = 2,806,538,686,525.49 - Step 5: Solve for x
x = 2,806,538,686,525.49/1,888,976.95 - Step 6: Final answer
x = 1,485,745.33
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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.