Finding the Fourth Proportional to 5,871,256.80, 8,806,885.20 and 5,283,391.20
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Solution
The fourth proportional to 5,871,256.80, 8,806,885.20 and 5,283,391.20 is: 7,925,086.80
Step by Step Solution
- Step 1: Write the proportion equation
5,871,256.80 : 8,806,885.20 = 5,283,391.20 : x - Step 2: Convert to fraction form
5,871,256.80/8,806,885.20 = 5,283,391.20/x - Step 3: Cross multiply
5,871,256.80x = 8,806,885.20 × 5,283,391.20 - Step 4: Simplify right side
5,871,256.80x = 46,530,219,765,090.23 - Step 5: Solve for x
x = 46,530,219,765,090.23/5,871,256.80 - Step 6: Final answer
x = 7,925,086.80
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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.