Finding the Fourth Proportional to 2,292,147.20, 3,438,220.80 and 586,287.20
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Solution
The fourth proportional to 2,292,147.20, 3,438,220.80 and 586,287.20 is: 879,430.80
Step by Step Solution
- Step 1: Write the proportion equation
2,292,147.20 : 3,438,220.80 = 586,287.20 : x - Step 2: Convert to fraction form
2,292,147.20/3,438,220.80 = 586,287.20/x - Step 3: Cross multiply
2,292,147.20x = 3,438,220.80 × 586,287.20 - Step 4: Simplify right side
2,292,147.20x = 2,015,784,845,813.76 - Step 5: Solve for x
x = 2,015,784,845,813.76/2,292,147.20 - Step 6: Final answer
x = 879,430.80
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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.