Finding the Fourth Proportional to 3,450,182.16, 5,168,640.30 and 1,929,252.12
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Solution
The fourth proportional to 3,450,182.16, 5,168,640.30 and 1,929,252.12 is: 2,890,169.21
Step by Step Solution
- Step 1: Write the proportion equation
3,450,182.16 : 5,168,640.30 = 1,929,252.12 : x - Step 2: Convert to fraction form
3,450,182.16/5,168,640.30 = 1,929,252.12/x - Step 3: Cross multiply
3,450,182.16x = 5,168,640.30 × 1,929,252.12 - Step 4: Simplify right side
3,450,182.16x = 9,971,610,256,292.44 - Step 5: Solve for x
x = 9,971,610,256,292.44/3,450,182.16 - Step 6: Final answer
x = 2,890,169.21
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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.