Finding the Fourth Proportional to 1,542,454.12, 2,128,609.02 and 888,719.68
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Solution
The fourth proportional to 1,542,454.12, 2,128,609.02 and 888,719.68 is: 1,226,446.03
Step by Step Solution
- Step 1: Write the proportion equation
1,542,454.12 : 2,128,609.02 = 888,719.68 : x - Step 2: Convert to fraction form
1,542,454.12/2,128,609.02 = 888,719.68/x - Step 3: Cross multiply
1,542,454.12x = 2,128,609.02 × 888,719.68 - Step 4: Simplify right side
1,542,454.12x = 1,891,736,727,099.51 - Step 5: Solve for x
x = 1,891,736,727,099.51/1,542,454.12 - Step 6: Final answer
x = 1,226,446.03
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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.