Finding the Fourth Proportional to 6,422,210.28, 9,626,571.36 and 2,160,898.56
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Solution
The fourth proportional to 6,422,210.28, 9,626,571.36 and 2,160,898.56 is: 3,239,078.65
Step by Step Solution
- Step 1: Write the proportion equation
6,422,210.28 : 9,626,571.36 = 2,160,898.56 : x - Step 2: Convert to fraction form
6,422,210.28/9,626,571.36 = 2,160,898.56/x - Step 3: Cross multiply
6,422,210.28x = 9,626,571.36 × 2,160,898.56 - Step 4: Simplify right side
6,422,210.28x = 20,802,044,189,561.24 - Step 5: Solve for x
x = 20,802,044,189,561.24/6,422,210.28 - Step 6: Final answer
x = 3,239,078.65
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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.