Finding the Fourth Proportional to 4,428,216.81, 6,618,063.08 and 3,232,656.81
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Solution
The fourth proportional to 4,428,216.81, 6,618,063.08 and 3,232,656.81 is: 4,831,273.54
Step by Step Solution
- Step 1: Write the proportion equation
4,428,216.81 : 6,618,063.08 = 3,232,656.81 : x - Step 2: Convert to fraction form
4,428,216.81/6,618,063.08 = 3,232,656.81/x - Step 3: Cross multiply
4,428,216.81x = 6,618,063.08 × 3,232,656.81 - Step 4: Simplify right side
4,428,216.81x = 21,393,926,692,653.21 - Step 5: Solve for x
x = 21,393,926,692,653.21/4,428,216.81 - Step 6: Final answer
x = 4,831,273.54
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.