Finding the Fourth Proportional to 3,894,460.86, 5,374,562.37 and 2,346,209.99
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Solution
The fourth proportional to 3,894,460.86, 5,374,562.37 and 2,346,209.99 is: 3,237,894.11
Step by Step Solution
- Step 1: Write the proportion equation
3,894,460.86 : 5,374,562.37 = 2,346,209.99 : x - Step 2: Convert to fraction form
3,894,460.86/5,374,562.37 = 2,346,209.99/x - Step 3: Cross multiply
3,894,460.86x = 5,374,562.37 × 2,346,209.99 - Step 4: Simplify right side
3,894,460.86x = 12,609,851,897,499.26 - Step 5: Solve for x
x = 12,609,851,897,499.26/3,894,460.86 - Step 6: Final answer
x = 3,237,894.11
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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.