Finding the Fourth Proportional to 1,427,627.14, 1,970,120.20 and 883,654.62
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Solution
The fourth proportional to 1,427,627.14, 1,970,120.20 and 883,654.62 is: 1,219,440.12
Step by Step Solution
- Step 1: Write the proportion equation
1,427,627.14 : 1,970,120.20 = 883,654.62 : x - Step 2: Convert to fraction form
1,427,627.14/1,970,120.20 = 883,654.62/x - Step 3: Cross multiply
1,427,627.14x = 1,970,120.20 × 883,654.62 - Step 4: Simplify right side
1,427,627.14x = 1,740,905,816,685.32 - Step 5: Solve for x
x = 1,740,905,816,685.32/1,427,627.14 - Step 6: Final answer
x = 1,219,440.12
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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.