Finding the Fourth Proportional to 4,129,122, 5,698,188.36 and 2,318,324.88
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Solution
The fourth proportional to 4,129,122, 5,698,188.36 and 2,318,324.88 is: 3,199,288.33
Step by Step Solution
- Step 1: Write the proportion equation
4,129,122 : 5,698,188.36 = 2,318,324.88 : x - Step 2: Convert to fraction form
4,129,122/5,698,188.36 = 2,318,324.88/x - Step 3: Cross multiply
4,129,122x = 5,698,188.36 × 2,318,324.88 - Step 4: Simplify right side
4,129,122x = 13,210,251,845,914.40 - Step 5: Solve for x
x = 13,210,251,845,914.40/4,129,122 - Step 6: Final answer
x = 3,199,288.33
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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.