Finding the Fourth Proportional to 5,346,835.40, 8,019,268.95 and 3,321,454.70
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Solution
The fourth proportional to 5,346,835.40, 8,019,268.95 and 3,321,454.70 is: 4,981,570.70
Step by Step Solution
- Step 1: Write the proportion equation
5,346,835.40 : 8,019,268.95 = 3,321,454.70 : x - Step 2: Convert to fraction form
5,346,835.40/8,019,268.95 = 3,321,454.70/x - Step 3: Cross multiply
5,346,835.40x = 8,019,268.95 × 3,321,454.70 - Step 4: Simplify right side
5,346,835.40x = 26,635,638,544,541.57 - Step 5: Solve for x
x = 26,635,638,544,541.57/5,346,835.40 - Step 6: Final answer
x = 4,981,570.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.