Finding the Fourth Proportional to 6,782,181.98, 9,357,096.15 and 4,202,921.66
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Solution
The fourth proportional to 6,782,181.98, 9,357,096.15 and 4,202,921.66 is: 5,798,597.29
Step by Step Solution
- Step 1: Write the proportion equation
6,782,181.98 : 9,357,096.15 = 4,202,921.66 : x - Step 2: Convert to fraction form
6,782,181.98/9,357,096.15 = 4,202,921.66/x - Step 3: Cross multiply
6,782,181.98x = 9,357,096.15 × 4,202,921.66 - Step 4: Simplify right side
6,782,181.98x = 39,327,142,036,752.13 - Step 5: Solve for x
x = 39,327,142,036,752.13/6,782,181.98 - Step 6: Final answer
x = 5,798,597.29
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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.