Finding the Fourth Proportional to 1,933,764.21, 2,668,642.11 and 1,062,591.75
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Solution
The fourth proportional to 1,933,764.21, 2,668,642.11 and 1,062,591.75 is: 1,466,402.72
Step by Step Solution
- Step 1: Write the proportion equation
1,933,764.21 : 2,668,642.11 = 1,062,591.75 : x - Step 2: Convert to fraction form
1,933,764.21/2,668,642.11 = 1,062,591.75/x - Step 3: Cross multiply
1,933,764.21x = 2,668,642.11 × 1,062,591.75 - Step 4: Simplify right side
1,933,764.21x = 2,835,677,089,788.59 - Step 5: Solve for x
x = 2,835,677,089,788.59/1,933,764.21 - Step 6: Final answer
x = 1,466,402.72
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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.