Finding the Fourth Proportional to 4,193,442.78, 5,785,559.01 and 3,417,739.80
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Solution
The fourth proportional to 4,193,442.78, 5,785,559.01 and 3,417,739.80 is: 4,715,346.39
Step by Step Solution
- Step 1: Write the proportion equation
4,193,442.78 : 5,785,559.01 = 3,417,739.80 : x - Step 2: Convert to fraction form
4,193,442.78/5,785,559.01 = 3,417,739.80/x - Step 3: Cross multiply
4,193,442.78x = 5,785,559.01 × 3,417,739.80 - Step 4: Simplify right side
4,193,442.78x = 19,773,535,293,725.60 - Step 5: Solve for x
x = 19,773,535,293,725.60/4,193,442.78 - Step 6: Final answer
x = 4,715,346.39
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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.