Finding the Fourth Proportional to 1,680,900.44, 2,319,752.22 and 955,815.62
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Solution
The fourth proportional to 1,680,900.44, 2,319,752.22 and 955,815.62 is: 1,319,087.89
Step by Step Solution
- Step 1: Write the proportion equation
1,680,900.44 : 2,319,752.22 = 955,815.62 : x - Step 2: Convert to fraction form
1,680,900.44/2,319,752.22 = 955,815.62/x - Step 3: Cross multiply
1,680,900.44x = 2,319,752.22 × 955,815.62 - Step 4: Simplify right side
1,680,900.44x = 2,217,255,406,405.68 - Step 5: Solve for x
x = 2,217,255,406,405.68/1,680,900.44 - Step 6: Final answer
x = 1,319,087.89
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1.5x scale
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.