Finding the Fourth Proportional to 1,532,346.76, 2,114,638.42 and 888,140.62
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Solution
The fourth proportional to 1,532,346.76, 2,114,638.42 and 888,140.62 is: 1,225,633.99
Step by Step Solution
- Step 1: Write the proportion equation
1,532,346.76 : 2,114,638.42 = 888,140.62 : x - Step 2: Convert to fraction form
1,532,346.76/2,114,638.42 = 888,140.62/x - Step 3: Cross multiply
1,532,346.76x = 2,114,638.42 × 888,140.62 - Step 4: Simplify right side
1,532,346.76x = 1,878,096,277,414.62 - Step 5: Solve for x
x = 1,878,096,277,414.62/1,532,346.76 - Step 6: Final answer
x = 1,225,633.99
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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.