Finding the Fourth Proportional to 6,117,642.81, 8,438,903.87 and 3,669,602.49
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Solution
The fourth proportional to 6,117,642.81, 8,438,903.87 and 3,669,602.49 is: 5,061,986.06
Step by Step Solution
- Step 1: Write the proportion equation
6,117,642.81 : 8,438,903.87 = 3,669,602.49 : x - Step 2: Convert to fraction form
6,117,642.81/8,438,903.87 = 3,669,602.49/x - Step 3: Cross multiply
6,117,642.81x = 8,438,903.87 × 3,669,602.49 - Step 4: Simplify right side
6,117,642.81x = 30,967,422,635,874.62 - Step 5: Solve for x
x = 30,967,422,635,874.62/6,117,642.81 - Step 6: Final answer
x = 5,061,986.06
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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.