Finding the Fourth Proportional to 1,534,389.75, 2,117,457.99 and 855,326.25
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Solution
The fourth proportional to 1,534,389.75, 2,117,457.99 and 855,326.25 is: 1,180,350.30
Step by Step Solution
- Step 1: Write the proportion equation
1,534,389.75 : 2,117,457.99 = 855,326.25 : x - Step 2: Convert to fraction form
1,534,389.75/2,117,457.99 = 855,326.25/x - Step 3: Cross multiply
1,534,389.75x = 2,117,457.99 × 855,326.25 - Step 4: Simplify right side
1,534,389.75x = 1,811,117,402,119.24 - Step 5: Solve for x
x = 1,811,117,402,119.24/1,534,389.75 - Step 6: Final answer
x = 1,180,350.30
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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.