Finding the Fourth Proportional to 3,440,616.60, 5,159,175.30 and 2,021,107.80
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Solution
The fourth proportional to 3,440,616.60, 5,159,175.30 and 2,021,107.80 is: 3,030,633.94
Step by Step Solution
- Step 1: Write the proportion equation
3,440,616.60 : 5,159,175.30 = 2,021,107.80 : x - Step 2: Convert to fraction form
3,440,616.60/5,159,175.30 = 2,021,107.80/x - Step 3: Cross multiply
3,440,616.60x = 5,159,175.30 × 2,021,107.80 - Step 4: Simplify right side
3,440,616.60x = 10,427,249,440,397.34 - Step 5: Solve for x
x = 10,427,249,440,397.34/3,440,616.60 - Step 6: Final answer
x = 3,030,633.94
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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.