Finding the Fourth Proportional to 1,871,154.98, 2,581,604.42 and 1,145,245.94
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Solution
The fourth proportional to 1,871,154.98, 2,581,604.42 and 1,145,245.94 is: 1,580,078.62
Step by Step Solution
- Step 1: Write the proportion equation
1,871,154.98 : 2,581,604.42 = 1,145,245.94 : x - Step 2: Convert to fraction form
1,871,154.98/2,581,604.42 = 1,145,245.94/x - Step 3: Cross multiply
1,871,154.98x = 2,581,604.42 × 1,145,245.94 - Step 4: Simplify right side
1,871,154.98x = 2,956,571,980,691.06 - Step 5: Solve for x
x = 2,956,571,980,691.06/1,871,154.98 - Step 6: Final answer
x = 1,580,078.62
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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.