Finding the Fourth Proportional to 2,125,106.49, 3,186,814.08 and 776,961.93
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Solution
The fourth proportional to 2,125,106.49, 3,186,814.08 and 776,961.93 is: 1,165,133.71
Step by Step Solution
- Step 1: Write the proportion equation
2,125,106.49 : 3,186,814.08 = 776,961.93 : x - Step 2: Convert to fraction form
2,125,106.49/3,186,814.08 = 776,961.93/x - Step 3: Cross multiply
2,125,106.49x = 3,186,814.08 × 776,961.93 - Step 4: Simplify right side
2,125,106.49x = 2,476,033,218,147.97 - Step 5: Solve for x
x = 2,476,033,218,147.97/2,125,106.49 - Step 6: Final answer
x = 1,165,133.71
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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.