Finding the Fourth Proportional to 4,113,119.40, 6,171,428.70 and 1,982,106.60
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Solution
The fourth proportional to 4,113,119.40, 6,171,428.70 and 1,982,106.60 is: 2,974,003.03
Step by Step Solution
- Step 1: Write the proportion equation
4,113,119.40 : 6,171,428.70 = 1,982,106.60 : x - Step 2: Convert to fraction form
4,113,119.40/6,171,428.70 = 1,982,106.60/x - Step 3: Cross multiply
4,113,119.40x = 6,171,428.70 × 1,982,106.60 - Step 4: Simplify right side
4,113,119.40x = 12,232,429,557,699.42 - Step 5: Solve for x
x = 12,232,429,557,699.42/4,113,119.40 - Step 6: Final answer
x = 2,974,003.03
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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.