Finding the Fourth Proportional to 2,551,027.31, 3,520,417.37 and 1,405,107.65
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Solution
The fourth proportional to 2,551,027.31, 3,520,417.37 and 1,405,107.65 is: 1,939,048.39
Step by Step Solution
- Step 1: Write the proportion equation
2,551,027.31 : 3,520,417.37 = 1,405,107.65 : x - Step 2: Convert to fraction form
2,551,027.31/3,520,417.37 = 1,405,107.65/x - Step 3: Cross multiply
2,551,027.31x = 3,520,417.37 × 1,405,107.65 - Step 4: Simplify right side
2,551,027.31x = 4,946,565,379,555.39 - Step 5: Solve for x
x = 4,946,565,379,555.39/2,551,027.31 - Step 6: Final answer
x = 1,939,048.39
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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.