Finding the Fourth Proportional to 3,559,715.26, 4,912,407.21 and 1,928,122.63
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Solution
The fourth proportional to 3,559,715.26, 4,912,407.21 and 1,928,122.63 is: 2,660,809.31
Step by Step Solution
- Step 1: Write the proportion equation
3,559,715.26 : 4,912,407.21 = 1,928,122.63 : x - Step 2: Convert to fraction form
3,559,715.26/4,912,407.21 = 1,928,122.63/x - Step 3: Cross multiply
3,559,715.26x = 4,912,407.21 × 1,928,122.63 - Step 4: Simplify right side
3,559,715.26x = 9,471,723,497,095.15 - Step 5: Solve for x
x = 9,471,723,497,095.15/3,559,715.26 - Step 6: Final answer
x = 2,660,809.31
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1.5x scale
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.