Finding the Fourth Proportional to 2,106,145.95, 3,158,616.28 and 686,326.11
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Solution
The fourth proportional to 2,106,145.95, 3,158,616.28 and 686,326.11 is: 1,029,292.78
Step by Step Solution
- Step 1: Write the proportion equation
2,106,145.95 : 3,158,616.28 = 686,326.11 : x - Step 2: Convert to fraction form
2,106,145.95/3,158,616.28 = 686,326.11/x - Step 3: Cross multiply
2,106,145.95x = 3,158,616.28 × 686,326.11 - Step 4: Simplify right side
2,106,145.95x = 2,167,840,824,435.07 - Step 5: Solve for x
x = 2,167,840,824,435.07/2,106,145.95 - Step 6: Final answer
x = 1,029,292.78
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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.