Finding the Fourth Proportional to 4,428,664.35, 6,643,258.97 and 1,396,126.41
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Solution
The fourth proportional to 4,428,664.35, 6,643,258.97 and 1,396,126.41 is: 2,094,272.35
Step by Step Solution
- Step 1: Write the proportion equation
4,428,664.35 : 6,643,258.97 = 1,396,126.41 : x - Step 2: Convert to fraction form
4,428,664.35/6,643,258.97 = 1,396,126.41/x - Step 3: Cross multiply
4,428,664.35x = 6,643,258.97 × 1,396,126.41 - Step 4: Simplify right side
4,428,664.35x = 9,274,829,289,505.77 - Step 5: Solve for x
x = 9,274,829,289,505.77/4,428,664.35 - Step 6: Final answer
x = 2,094,272.35
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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.