Finding the Fourth Proportional to 4,159,442.40, 6,241,496.40 and 1,762,879.20
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Solution
The fourth proportional to 4,159,442.40, 6,241,496.40 and 1,762,879.20 is: 2,645,307.50
Step by Step Solution
- Step 1: Write the proportion equation
4,159,442.40 : 6,241,496.40 = 1,762,879.20 : x - Step 2: Convert to fraction form
4,159,442.40/6,241,496.40 = 1,762,879.20/x - Step 3: Cross multiply
4,159,442.40x = 6,241,496.40 × 1,762,879.20 - Step 4: Simplify right side
4,159,442.40x = 11,003,004,180,434.88 - Step 5: Solve for x
x = 11,003,004,180,434.88/4,159,442.40 - Step 6: Final answer
x = 2,645,307.50
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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.