Finding the Fourth Proportional to 1,685,899.12, 2,326,536.08 and 911,524.54
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Solution
The fourth proportional to 1,685,899.12, 2,326,536.08 and 911,524.54 is: 1,257,901.31
Step by Step Solution
- Step 1: Write the proportion equation
1,685,899.12 : 2,326,536.08 = 911,524.54 : x - Step 2: Convert to fraction form
1,685,899.12/2,326,536.08 = 911,524.54/x - Step 3: Cross multiply
1,685,899.12x = 2,326,536.08 × 911,524.54 - Step 4: Simplify right side
1,685,899.12x = 2,120,694,717,799.77 - Step 5: Solve for x
x = 2,120,694,717,799.77/1,685,899.12 - Step 6: Final answer
x = 1,257,901.31
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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.