Finding the Fourth Proportional to 2,268,670.40, 3,396,007.20 and 1,319,220.80
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Solution
The fourth proportional to 2,268,670.40, 3,396,007.20 and 1,319,220.80 is: 1,974,761.66
Step by Step Solution
- Step 1: Write the proportion equation
2,268,670.40 : 3,396,007.20 = 1,319,220.80 : x - Step 2: Convert to fraction form
2,268,670.40/3,396,007.20 = 1,319,220.80/x - Step 3: Cross multiply
2,268,670.40x = 3,396,007.20 × 1,319,220.80 - Step 4: Simplify right side
2,268,670.40x = 4,480,083,335,189.76 - Step 5: Solve for x
x = 4,480,083,335,189.76/2,268,670.40 - Step 6: Final answer
x = 1,974,761.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.