Finding the Fourth Proportional to 1,769,603.50, 2,652,723.60 and 1,128,106.66
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Solution
The fourth proportional to 1,769,603.50, 2,652,723.60 and 1,128,106.66 is: 1,691,087.95
Step by Step Solution
- Step 1: Write the proportion equation
1,769,603.50 : 2,652,723.60 = 1,128,106.66 : x - Step 2: Convert to fraction form
1,769,603.50/2,652,723.60 = 1,128,106.66/x - Step 3: Cross multiply
1,769,603.50x = 2,652,723.60 × 1,128,106.66 - Step 4: Simplify right side
1,769,603.50x = 2,992,555,160,299.18 - Step 5: Solve for x
x = 2,992,555,160,299.18/1,769,603.50 - Step 6: Final answer
x = 1,691,087.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.