Finding the Fourth Proportional to 5,221,147.10, 7,832,139.29 and 1,984,235.48
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Solution
The fourth proportional to 5,221,147.10, 7,832,139.29 and 1,984,235.48 is: 2,976,512.32
Step by Step Solution
- Step 1: Write the proportion equation
5,221,147.10 : 7,832,139.29 = 1,984,235.48 : x - Step 2: Convert to fraction form
5,221,147.10/7,832,139.29 = 1,984,235.48/x - Step 3: Cross multiply
5,221,147.10x = 7,832,139.29 × 1,984,235.48 - Step 4: Simplify right side
5,221,147.10x = 15,540,808,629,319.90 - Step 5: Solve for x
x = 15,540,808,629,319.90/5,221,147.10 - Step 6: Final answer
x = 2,976,512.32
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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.