Finding the Fourth Proportional to 1,769,627.40, 2,652,759.54 and 1,128,130.62
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Solution
The fourth proportional to 1,769,627.40, 2,652,759.54 and 1,128,130.62 is: 1,691,123.94
Step by Step Solution
- Step 1: Write the proportion equation
1,769,627.40 : 2,652,759.54 = 1,128,130.62 : x - Step 2: Convert to fraction form
1,769,627.40/2,652,759.54 = 1,128,130.62/x - Step 3: Cross multiply
1,769,627.40x = 2,652,759.54 × 1,128,130.62 - Step 4: Simplify right side
1,769,627.40x = 2,992,659,264,571.12 - Step 5: Solve for x
x = 2,992,659,264,571.12/1,769,627.40 - Step 6: Final answer
x = 1,691,123.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.