Finding the Fourth Proportional to 3,659,784.37, 5,050,513.97 and 2,028,219.19
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Solution
The fourth proportional to 3,659,784.37, 5,050,513.97 and 2,028,219.19 is: 2,798,948.87
Step by Step Solution
- Step 1: Write the proportion equation
3,659,784.37 : 5,050,513.97 = 2,028,219.19 : x - Step 2: Convert to fraction form
3,659,784.37/5,050,513.97 = 2,028,219.19/x - Step 3: Cross multiply
3,659,784.37x = 5,050,513.97 × 2,028,219.19 - Step 4: Simplify right side
3,659,784.37x = 10,243,549,343,175.99 - Step 5: Solve for x
x = 10,243,549,343,175.99/3,659,784.37 - Step 6: Final answer
x = 2,798,948.87
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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.