Finding the Fourth Proportional to 3,911,806.16, 5,866,570.92 and 1,515,116.24
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Solution
The fourth proportional to 3,911,806.16, 5,866,570.92 and 1,515,116.24 is: 2,272,233.47
Step by Step Solution
- Step 1: Write the proportion equation
3,911,806.16 : 5,866,570.92 = 1,515,116.24 : x - Step 2: Convert to fraction form
3,911,806.16/5,866,570.92 = 1,515,116.24/x - Step 3: Cross multiply
3,911,806.16x = 5,866,570.92 × 1,515,116.24 - Step 4: Simplify right side
3,911,806.16x = 8,888,536,874,003.74 - Step 5: Solve for x
x = 8,888,536,874,003.74/3,911,806.16 - Step 6: Final answer
x = 2,272,233.47
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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.