Finding the Fourth Proportional to 5,642,894.26, 7,790,422.06 and 3,714,759.88
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Solution
The fourth proportional to 5,642,894.26, 7,790,422.06 and 3,714,759.88 is: 5,128,493.63
Step by Step Solution
- Step 1: Write the proportion equation
5,642,894.26 : 7,790,422.06 = 3,714,759.88 : x - Step 2: Convert to fraction form
5,642,894.26/7,790,422.06 = 3,714,759.88/x - Step 3: Cross multiply
5,642,894.26x = 7,790,422.06 × 3,714,759.88 - Step 4: Simplify right side
5,642,894.26x = 28,939,547,259,229.04 - Step 5: Solve for x
x = 28,939,547,259,229.04/5,642,894.26 - Step 6: Final answer
x = 5,128,493.63
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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.