Finding the Fourth Proportional to 1,534,395.32, 2,117,465.68 and 855,331.82
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Solution
The fourth proportional to 1,534,395.32, 2,117,465.68 and 855,331.82 is: 1,180,357.99
Step by Step Solution
- Step 1: Write the proportion equation
1,534,395.32 : 2,117,465.68 = 855,331.82 : x - Step 2: Convert to fraction form
1,534,395.32/2,117,465.68 = 855,331.82/x - Step 3: Cross multiply
1,534,395.32x = 2,117,465.68 × 855,331.82 - Step 4: Simplify right side
1,534,395.32x = 1,811,135,773,861.94 - Step 5: Solve for x
x = 1,811,135,773,861.94/1,534,395.32 - Step 6: Final answer
x = 1,180,357.99
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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.