Finding the Fourth Proportional to 6,980,480.88, 10,470,724.36 and 2,188,543.70
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Solution
The fourth proportional to 6,980,480.88, 10,470,724.36 and 2,188,543.70 is: 3,282,816.50
Step by Step Solution
- Step 1: Write the proportion equation
6,980,480.88 : 10,470,724.36 = 2,188,543.70 : x - Step 2: Convert to fraction form
6,980,480.88/10,470,724.36 = 2,188,543.70/x - Step 3: Cross multiply
6,980,480.88x = 10,470,724.36 × 2,188,543.70 - Step 4: Simplify right side
6,980,480.88x = 22,915,637,832,514.53 - Step 5: Solve for x
x = 22,915,637,832,514.53/6,980,480.88 - Step 6: Final answer
x = 3,282,816.50
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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.