Finding the Fourth Proportional to 4,326,414.98, 5,969,789.49 and 2,490,518.54
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Solution
The fourth proportional to 4,326,414.98, 5,969,789.49 and 2,490,518.54 is: 3,436,533.82
Step by Step Solution
- Step 1: Write the proportion equation
4,326,414.98 : 5,969,789.49 = 2,490,518.54 : x - Step 2: Convert to fraction form
4,326,414.98/5,969,789.49 = 2,490,518.54/x - Step 3: Cross multiply
4,326,414.98x = 5,969,789.49 × 2,490,518.54 - Step 4: Simplify right side
4,326,414.98x = 14,867,871,404,742.14 - Step 5: Solve for x
x = 14,867,871,404,742.14/4,326,414.98 - Step 6: Final answer
x = 3,436,533.82
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1.5x scale
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.