Finding the Fourth Proportional to 4,344,187.90, 6,517,335.33 and 1,311,372.58
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Solution
The fourth proportional to 4,344,187.90, 6,517,335.33 and 1,311,372.58 is: 1,967,376.88
Step by Step Solution
- Step 1: Write the proportion equation
4,344,187.90 : 6,517,335.33 = 1,311,372.58 : x - Step 2: Convert to fraction form
4,344,187.90/6,517,335.33 = 1,311,372.58/x - Step 3: Cross multiply
4,344,187.90x = 6,517,335.33 × 1,311,372.58 - Step 4: Simplify right side
4,344,187.90x = 8,546,654,846,427.25 - Step 5: Solve for x
x = 8,546,654,846,427.25/4,344,187.90 - Step 6: Final answer
x = 1,967,376.88
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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.