Finding the Fourth Proportional to 1,628,059.02, 2,442,441.21 and 490,726.08
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Solution
The fourth proportional to 1,628,059.02, 2,442,441.21 and 490,726.08 is: 736,195.42
Step by Step Solution
- Step 1: Write the proportion equation
1,628,059.02 : 2,442,441.21 = 490,726.08 : x - Step 2: Convert to fraction form
1,628,059.02/2,442,441.21 = 490,726.08/x - Step 3: Cross multiply
1,628,059.02x = 2,442,441.21 × 490,726.08 - Step 4: Simplify right side
1,628,059.02x = 1,198,569,600,613.76 - Step 5: Solve for x
x = 1,198,569,600,613.76/1,628,059.02 - Step 6: Final answer
x = 736,195.42
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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.