Finding the Fourth Proportional to 2,467,982.80, 3,699,209.40 and 1,403,534.80
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Solution
The fourth proportional to 2,467,982.80, 3,699,209.40 and 1,403,534.80 is: 2,103,729.87
Step by Step Solution
- Step 1: Write the proportion equation
2,467,982.80 : 3,699,209.40 = 1,403,534.80 : x - Step 2: Convert to fraction form
2,467,982.80/3,699,209.40 = 1,403,534.80/x - Step 3: Cross multiply
2,467,982.80x = 3,699,209.40 × 1,403,534.80 - Step 4: Simplify right side
2,467,982.80x = 5,191,969,125,387.12 - Step 5: Solve for x
x = 5,191,969,125,387.12/2,467,982.80 - Step 6: Final answer
x = 2,103,729.87
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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.