Finding the Fourth Proportional to 1,871,374, 2,582,339.14 and 1,107,293.68
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Solution
The fourth proportional to 1,871,374, 2,582,339.14 and 1,107,293.68 is: 1,527,972.39
Step by Step Solution
- Step 1: Write the proportion equation
1,871,374 : 2,582,339.14 = 1,107,293.68 : x - Step 2: Convert to fraction form
1,871,374/2,582,339.14 = 1,107,293.68/x - Step 3: Cross multiply
1,871,374x = 2,582,339.14 × 1,107,293.68 - Step 4: Simplify right side
1,871,374x = 2,859,407,809,338.64 - Step 5: Solve for x
x = 2,859,407,809,338.64/1,871,374 - Step 6: Final answer
x = 1,527,972.39
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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.