Finding the Fourth Proportional to 5,439,888.40, 8,160,610.20 and 1,845,821.20
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Solution
The fourth proportional to 5,439,888.40, 8,160,610.20 and 1,845,821.20 is: 2,768,995.65
Step by Step Solution
- Step 1: Write the proportion equation
5,439,888.40 : 8,160,610.20 = 1,845,821.20 : x - Step 2: Convert to fraction form
5,439,888.40/8,160,610.20 = 1,845,821.20/x - Step 3: Cross multiply
5,439,888.40x = 8,160,610.20 × 1,845,821.20 - Step 4: Simplify right side
5,439,888.40x = 15,063,027,312,096.24 - Step 5: Solve for x
x = 15,063,027,312,096.24/5,439,888.40 - Step 6: Final answer
x = 2,768,995.65
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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.