Finding the Fourth Proportional to 3,458,565.60, 5,191,012.56 and 1,753,885.44
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Solution
The fourth proportional to 3,458,565.60, 5,191,012.56 and 1,753,885.44 is: 2,632,432.75
Step by Step Solution
- Step 1: Write the proportion equation
3,458,565.60 : 5,191,012.56 = 1,753,885.44 : x - Step 2: Convert to fraction form
3,458,565.60/5,191,012.56 = 1,753,885.44/x - Step 3: Cross multiply
3,458,565.60x = 5,191,012.56 × 1,753,885.44 - Step 4: Simplify right side
3,458,565.60x = 9,104,441,347,841.13 - Step 5: Solve for x
x = 9,104,441,347,841.13/3,458,565.60 - Step 6: Final answer
x = 2,632,432.75
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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.