Finding the Fourth Proportional to 3,186,652.46, 4,781,391.37 and 1,669,974.84
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Solution
The fourth proportional to 3,186,652.46, 4,781,391.37 and 1,669,974.84 is: 2,505,702.58
Step by Step Solution
- Step 1: Write the proportion equation
3,186,652.46 : 4,781,391.37 = 1,669,974.84 : x - Step 2: Convert to fraction form
3,186,652.46/4,781,391.37 = 1,669,974.84/x - Step 3: Cross multiply
3,186,652.46x = 4,781,391.37 × 1,669,974.84 - Step 4: Simplify right side
3,186,652.46x = 7,984,803,283,918.19 - Step 5: Solve for x
x = 7,984,803,283,918.19/3,186,652.46 - Step 6: Final answer
x = 2,505,702.58
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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.