Finding the Fourth Proportional to 4,159,213.99, 6,238,801.53 and 1,126,573.99
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Solution
The fourth proportional to 4,159,213.99, 6,238,801.53 and 1,126,573.99 is: 1,689,855.72
Step by Step Solution
- Step 1: Write the proportion equation
4,159,213.99 : 6,238,801.53 = 1,126,573.99 : x - Step 2: Convert to fraction form
4,159,213.99/6,238,801.53 = 1,126,573.99/x - Step 3: Cross multiply
4,159,213.99x = 6,238,801.53 × 1,126,573.99 - Step 4: Simplify right side
4,159,213.99x = 7,028,471,532,470.21 - Step 5: Solve for x
x = 7,028,471,532,470.21/4,159,213.99 - Step 6: Final answer
x = 1,689,855.72
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1.5x scale
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.