Finding the Fourth Proportional to 1,871,370, 2,582,333.64 and 1,107,289.68
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Solution
The fourth proportional to 1,871,370, 2,582,333.64 and 1,107,289.68 is: 1,527,966.89
Step by Step Solution
- Step 1: Write the proportion equation
1,871,370 : 2,582,333.64 = 1,107,289.68 : x - Step 2: Convert to fraction form
1,871,370/2,582,333.64 = 1,107,289.68/x - Step 3: Cross multiply
1,871,370x = 2,582,333.64 × 1,107,289.68 - Step 4: Simplify right side
1,871,370x = 2,859,391,389,888.84 - Step 5: Solve for x
x = 2,859,391,389,888.84/1,871,370 - Step 6: Final answer
x = 1,527,966.89
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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.