Finding the Fourth Proportional to 4,188,402.13, 5,780,241.84 and 3,154,085.08
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Solution
The fourth proportional to 4,188,402.13, 5,780,241.84 and 3,154,085.08 is: 4,352,823.34
Step by Step Solution
- Step 1: Write the proportion equation
4,188,402.13 : 5,780,241.84 = 3,154,085.08 : x - Step 2: Convert to fraction form
4,188,402.13/5,780,241.84 = 3,154,085.08/x - Step 3: Cross multiply
4,188,402.13x = 5,780,241.84 × 3,154,085.08 - Step 4: Simplify right side
4,188,402.13x = 18,231,374,546,335.75 - Step 5: Solve for x
x = 18,231,374,546,335.75/4,188,402.13 - Step 6: Final answer
x = 4,352,823.34
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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.