Finding the Fourth Proportional to 4,158,471.20, 6,239,780.40 and 2,362,733.60
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Solution
The fourth proportional to 4,158,471.20, 6,239,780.40 and 2,362,733.60 is: 3,545,278.56
Step by Step Solution
- Step 1: Write the proportion equation
4,158,471.20 : 6,239,780.40 = 2,362,733.60 : x - Step 2: Convert to fraction form
4,158,471.20/6,239,780.40 = 2,362,733.60/x - Step 3: Cross multiply
4,158,471.20x = 6,239,780.40 × 2,362,733.60 - Step 4: Simplify right side
4,158,471.20x = 14,742,938,807,701.44 - Step 5: Solve for x
x = 14,742,938,807,701.44/4,158,471.20 - Step 6: Final answer
x = 3,545,278.56
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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.