Finding the Fourth Proportional to 2,554,911.18, 3,832,366.91 and 1,039,418.19
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Solution
The fourth proportional to 2,554,911.18, 3,832,366.91 and 1,039,418.19 is: 1,559,127.34
Step by Step Solution
- Step 1: Write the proportion equation
2,554,911.18 : 3,832,366.91 = 1,039,418.19 : x - Step 2: Convert to fraction form
2,554,911.18/3,832,366.91 = 1,039,418.19/x - Step 3: Cross multiply
2,554,911.18x = 3,832,366.91 × 1,039,418.19 - Step 4: Simplify right side
2,554,911.18x = 3,983,431,871,811.00 - Step 5: Solve for x
x = 3,983,431,871,811.00/2,554,911.18 - Step 6: Final answer
x = 1,559,127.34
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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.