Finding the Fourth Proportional to 1,930,739.96, 2,664,245.05 and 1,145,670.60
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Solution
The fourth proportional to 1,930,739.96, 2,664,245.05 and 1,145,670.60 is: 1,580,920.94
Step by Step Solution
- Step 1: Write the proportion equation
1,930,739.96 : 2,664,245.05 = 1,145,670.60 : x - Step 2: Convert to fraction form
1,930,739.96/2,664,245.05 = 1,145,670.60/x - Step 3: Cross multiply
1,930,739.96x = 2,664,245.05 × 1,145,670.60 - Step 4: Simplify right side
1,930,739.96x = 3,052,347,219,252.18 - Step 5: Solve for x
x = 3,052,347,219,252.18/1,930,739.96 - Step 6: Final answer
x = 1,580,920.94
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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.