Finding the Fourth Proportional to 4,818,586.01, 6,649,857.29 and 2,884,472.47
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Solution
The fourth proportional to 4,818,586.01, 6,649,857.29 and 2,884,472.47 is: 3,980,696.87
Step by Step Solution
- Step 1: Write the proportion equation
4,818,586.01 : 6,649,857.29 = 2,884,472.47 : x - Step 2: Convert to fraction form
4,818,586.01/6,649,857.29 = 2,884,472.47/x - Step 3: Cross multiply
4,818,586.01x = 6,649,857.29 × 2,884,472.47 - Step 4: Simplify right side
4,818,586.01x = 19,181,330,234,762.16 - Step 5: Solve for x
x = 19,181,330,234,762.16/4,818,586.01 - Step 6: Final answer
x = 3,980,696.87
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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.