Finding the Fourth Proportional to 1,451,506.76, 2,003,147.64 and 806,937.68
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Solution
The fourth proportional to 1,451,506.76, 2,003,147.64 and 806,937.68 is: 1,113,611.97
Step by Step Solution
- Step 1: Write the proportion equation
1,451,506.76 : 2,003,147.64 = 806,937.68 : x - Step 2: Convert to fraction form
1,451,506.76/2,003,147.64 = 806,937.68/x - Step 3: Cross multiply
1,451,506.76x = 2,003,147.64 × 806,937.68 - Step 4: Simplify right side
1,451,506.76x = 1,616,415,309,319.08 - Step 5: Solve for x
x = 1,616,415,309,319.08/1,451,506.76 - Step 6: Final answer
x = 1,113,611.97
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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.