Finding the Fourth Proportional to 4,179,817.68, 5,768,211.60 and 2,344,682.76
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Solution
The fourth proportional to 4,179,817.68, 5,768,211.60 and 2,344,682.76 is: 3,235,697.66
Step by Step Solution
- Step 1: Write the proportion equation
4,179,817.68 : 5,768,211.60 = 2,344,682.76 : x - Step 2: Convert to fraction form
4,179,817.68/5,768,211.60 = 2,344,682.76/x - Step 3: Cross multiply
4,179,817.68x = 5,768,211.60 × 2,344,682.76 - Step 4: Simplify right side
4,179,817.68x = 13,524,626,294,552.01 - Step 5: Solve for x
x = 13,524,626,294,552.01/4,179,817.68 - Step 6: Final answer
x = 3,235,697.66
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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.