Finding the Fourth Proportional to 5,432,645.70, 8,148,968.55 and 4,555,768.05
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Solution
The fourth proportional to 5,432,645.70, 8,148,968.55 and 4,555,768.05 is: 6,833,652.08
Step by Step Solution
- Step 1: Write the proportion equation
5,432,645.70 : 8,148,968.55 = 4,555,768.05 : x - Step 2: Convert to fraction form
5,432,645.70/8,148,968.55 = 4,555,768.05/x - Step 3: Cross multiply
5,432,645.70x = 8,148,968.55 × 4,555,768.05 - Step 4: Simplify right side
5,432,645.70x = 37,124,810,560,544.83 - Step 5: Solve for x
x = 37,124,810,560,544.83/5,432,645.70 - Step 6: Final answer
x = 6,833,652.08
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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.