Finding the Fourth Proportional to 5,918,503.76, 8,167,535.06 and 3,202,249.76
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Solution
The fourth proportional to 5,918,503.76, 8,167,535.06 and 3,202,249.76 is: 4,419,104.59
Step by Step Solution
- Step 1: Write the proportion equation
5,918,503.76 : 8,167,535.06 = 3,202,249.76 : x - Step 2: Convert to fraction form
5,918,503.76/8,167,535.06 = 3,202,249.76/x - Step 3: Cross multiply
5,918,503.76x = 8,167,535.06 × 3,202,249.76 - Step 4: Simplify right side
5,918,503.76x = 26,154,487,128,827.66 - Step 5: Solve for x
x = 26,154,487,128,827.66/5,918,503.76 - Step 6: Final answer
x = 4,419,104.59
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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.