Finding the Fourth Proportional to 2,317,622.18, 3,198,325.52 and 1,285,202.66
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Solution
The fourth proportional to 2,317,622.18, 3,198,325.52 and 1,285,202.66 is: 1,773,583.50
Step by Step Solution
- Step 1: Write the proportion equation
2,317,622.18 : 3,198,325.52 = 1,285,202.66 : x - Step 2: Convert to fraction form
2,317,622.18/3,198,325.52 = 1,285,202.66/x - Step 3: Cross multiply
2,317,622.18x = 3,198,325.52 × 1,285,202.66 - Step 4: Simplify right side
2,317,622.18x = 4,110,496,443,432.24 - Step 5: Solve for x
x = 4,110,496,443,432.24/2,317,622.18 - Step 6: Final answer
x = 1,773,583.50
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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.