Finding the Fourth Proportional to 3,670,387.80, 5,505,581.70 and 2,725,603.80
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Solution
The fourth proportional to 3,670,387.80, 5,505,581.70 and 2,725,603.80 is: 4,088,405.70
Step by Step Solution
- Step 1: Write the proportion equation
3,670,387.80 : 5,505,581.70 = 2,725,603.80 : x - Step 2: Convert to fraction form
3,670,387.80/5,505,581.70 = 2,725,603.80/x - Step 3: Cross multiply
3,670,387.80x = 5,505,581.70 × 2,725,603.80 - Step 4: Simplify right side
3,670,387.80x = 15,006,034,402,730.46 - Step 5: Solve for x
x = 15,006,034,402,730.46/3,670,387.80 - Step 6: Final answer
x = 4,088,405.70
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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.