Finding the Fourth Proportional to 5,432,504.12, 7,496,853.60 and 2,985,272.84
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Solution
The fourth proportional to 5,432,504.12, 7,496,853.60 and 2,985,272.84 is: 4,119,675.37
Step by Step Solution
- Step 1: Write the proportion equation
5,432,504.12 : 7,496,853.60 = 2,985,272.84 : x - Step 2: Convert to fraction form
5,432,504.12/7,496,853.60 = 2,985,272.84/x - Step 3: Cross multiply
5,432,504.12x = 7,496,853.60 × 2,985,272.84 - Step 4: Simplify right side
5,432,504.12x = 22,380,153,437,536.22 - Step 5: Solve for x
x = 22,380,153,437,536.22/5,432,504.12 - Step 6: Final answer
x = 4,119,675.37
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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.