Finding the Fourth Proportional to 2,129,057.39, 3,193,585.79 and 1,175,575.59
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Solution
The fourth proportional to 2,129,057.39, 3,193,585.79 and 1,175,575.59 is: 1,763,363.22
Step by Step Solution
- Step 1: Write the proportion equation
2,129,057.39 : 3,193,585.79 = 1,175,575.59 : x - Step 2: Convert to fraction form
2,129,057.39/3,193,585.79 = 1,175,575.59/x - Step 3: Cross multiply
2,129,057.39x = 3,193,585.79 × 1,175,575.59 - Step 4: Simplify right side
2,129,057.39x = 3,754,301,493,416.99 - Step 5: Solve for x
x = 3,754,301,493,416.99/2,129,057.39 - Step 6: Final answer
x = 1,763,363.22
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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.