Finding the Fourth Proportional to 5,649,543.68, 7,796,278.40 and 3,071,289.60
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Solution
The fourth proportional to 5,649,543.68, 7,796,278.40 and 3,071,289.60 is: 4,238,329.70
Step by Step Solution
- Step 1: Write the proportion equation
5,649,543.68 : 7,796,278.40 = 3,071,289.60 : x - Step 2: Convert to fraction form
5,649,543.68/7,796,278.40 = 3,071,289.60/x - Step 3: Cross multiply
5,649,543.68x = 7,796,278.40 × 3,071,289.60 - Step 4: Simplify right side
5,649,543.68x = 23,944,628,768,624.64 - Step 5: Solve for x
x = 23,944,628,768,624.64/5,649,543.68 - Step 6: Final answer
x = 4,238,329.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.