Finding the Fourth Proportional to 4,939,537.20, 7,409,305.80 and 1,748,266.80
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Solution
The fourth proportional to 4,939,537.20, 7,409,305.80 and 1,748,266.80 is: 2,622,400.20
Step by Step Solution
- Step 1: Write the proportion equation
4,939,537.20 : 7,409,305.80 = 1,748,266.80 : x - Step 2: Convert to fraction form
4,939,537.20/7,409,305.80 = 1,748,266.80/x - Step 3: Cross multiply
4,939,537.20x = 7,409,305.80 × 1,748,266.80 - Step 4: Simplify right side
4,939,537.20x = 12,953,443,341,187.44 - Step 5: Solve for x
x = 12,953,443,341,187.44/4,939,537.20 - Step 6: Final answer
x = 2,622,400.20
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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.