Finding the Fourth Proportional to 2,799,739.20, 4,194,943.20 and 2,631,777.60
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Solution
The fourth proportional to 2,799,739.20, 4,194,943.20 and 2,631,777.60 is: 3,943,280.70
Step by Step Solution
- Step 1: Write the proportion equation
2,799,739.20 : 4,194,943.20 = 2,631,777.60 : x - Step 2: Convert to fraction form
2,799,739.20/4,194,943.20 = 2,631,777.60/x - Step 3: Cross multiply
2,799,739.20x = 4,194,943.20 × 2,631,777.60 - Step 4: Simplify right side
2,799,739.20x = 11,040,157,547,032.32 - Step 5: Solve for x
x = 11,040,157,547,032.32/2,799,739.20 - Step 6: Final answer
x = 3,943,280.70
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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.