Finding the Fourth Proportional to 1,680,790.57, 2,319,463.55 and 955,622.68
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Solution
The fourth proportional to 1,680,790.57, 2,319,463.55 and 955,622.68 is: 1,318,743.70
Step by Step Solution
- Step 1: Write the proportion equation
1,680,790.57 : 2,319,463.55 = 955,622.68 : x - Step 2: Convert to fraction form
1,680,790.57/2,319,463.55 = 955,622.68/x - Step 3: Cross multiply
1,680,790.57x = 2,319,463.55 × 955,622.68 - Step 4: Simplify right side
1,680,790.57x = 2,216,531,970,403.71 - Step 5: Solve for x
x = 2,216,531,970,403.71/1,680,790.57 - Step 6: Final answer
x = 1,318,743.70
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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.