Finding the Fourth Proportional to 2,738,627.12, 3,779,283.48 and 1,531,403.12
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Solution
The fourth proportional to 2,738,627.12, 3,779,283.48 and 1,531,403.12 is: 2,113,324.03
Step by Step Solution
- Step 1: Write the proportion equation
2,738,627.12 : 3,779,283.48 = 1,531,403.12 : x - Step 2: Convert to fraction form
2,738,627.12/3,779,283.48 = 1,531,403.12/x - Step 3: Cross multiply
2,738,627.12x = 3,779,283.48 × 1,531,403.12 - Step 4: Simplify right side
2,738,627.12x = 5,787,606,512,636.46 - Step 5: Solve for x
x = 5,787,606,512,636.46/2,738,627.12 - Step 6: Final answer
x = 2,113,324.03
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1.5x scale
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.