Finding the Fourth Proportional to 5,398,722.40, 8,091,862.80 and 2,201,749.60
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Solution
The fourth proportional to 5,398,722.40, 8,091,862.80 and 2,201,749.60 is: 3,300,087.38
Step by Step Solution
- Step 1: Write the proportion equation
5,398,722.40 : 8,091,862.80 = 2,201,749.60 : x - Step 2: Convert to fraction form
5,398,722.40/8,091,862.80 = 2,201,749.60/x - Step 3: Cross multiply
5,398,722.40x = 8,091,862.80 × 2,201,749.60 - Step 4: Simplify right side
5,398,722.40x = 17,816,255,683,154.88 - Step 5: Solve for x
x = 17,816,255,683,154.88/5,398,722.40 - Step 6: Final answer
x = 3,300,087.38
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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.