Finding the Fourth Proportional to 1,680,400.86, 2,318,292.99 and 1,034,701.26
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Solution
The fourth proportional to 1,680,400.86, 2,318,292.99 and 1,034,701.26 is: 1,427,481.22
Step by Step Solution
- Step 1: Write the proportion equation
1,680,400.86 : 2,318,292.99 = 1,034,701.26 : x - Step 2: Convert to fraction form
1,680,400.86/2,318,292.99 = 1,034,701.26/x - Step 3: Cross multiply
1,680,400.86x = 2,318,292.99 × 1,034,701.26 - Step 4: Simplify right side
1,680,400.86x = 2,398,740,668,797.46 - Step 5: Solve for x
x = 2,398,740,668,797.46/1,680,400.86 - Step 6: Final answer
x = 1,427,481.22
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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.