Finding the Fourth Proportional to 1,560,601.60, 2,340,902.39 and 438,670.60
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Solution
The fourth proportional to 1,560,601.60, 2,340,902.39 and 438,670.60 is: 658,005.90
Step by Step Solution
- Step 1: Write the proportion equation
1,560,601.60 : 2,340,902.39 = 438,670.60 : x - Step 2: Convert to fraction form
1,560,601.60/2,340,902.39 = 438,670.60/x - Step 3: Cross multiply
1,560,601.60x = 2,340,902.39 × 438,670.60 - Step 4: Simplify right side
1,560,601.60x = 1,026,885,051,207.15 - Step 5: Solve for x
x = 1,026,885,051,207.15/1,560,601.60 - Step 6: Final answer
x = 658,005.90
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1.5x scale
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.