Finding the Fourth Proportional to 4,485,485.70, 6,729,258.87 and 1,290,638.34
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Solution
The fourth proportional to 4,485,485.70, 6,729,258.87 and 1,290,638.34 is: 1,936,253.97
Step by Step Solution
- Step 1: Write the proportion equation
4,485,485.70 : 6,729,258.87 = 1,290,638.34 : x - Step 2: Convert to fraction form
4,485,485.70/6,729,258.87 = 1,290,638.34/x - Step 3: Cross multiply
4,485,485.70x = 6,729,258.87 × 1,290,638.34 - Step 4: Simplify right side
4,485,485.70x = 8,685,039,497,407.08 - Step 5: Solve for x
x = 8,685,039,497,407.08/4,485,485.70 - Step 6: Final answer
x = 1,936,253.97
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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.