Finding the Fourth Proportional to 4,340,427.64, 5,989,239.60 and 2,379,789.74
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Solution
The fourth proportional to 4,340,427.64, 5,989,239.60 and 2,379,789.74 is: 3,283,807.99
Step by Step Solution
- Step 1: Write the proportion equation
4,340,427.64 : 5,989,239.60 = 2,379,789.74 : x - Step 2: Convert to fraction form
4,340,427.64/5,989,239.60 = 2,379,789.74/x - Step 3: Cross multiply
4,340,427.64x = 5,989,239.60 × 2,379,789.74 - Step 4: Simplify right side
4,340,427.64x = 14,253,130,950,481.71 - Step 5: Solve for x
x = 14,253,130,950,481.71/4,340,427.64 - Step 6: Final answer
x = 3,283,807.99
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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.