Finding the Fourth Proportional to 4,182,605.40, 6,272,651.70 and 1,486,576.20
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Solution
The fourth proportional to 4,182,605.40, 6,272,651.70 and 1,486,576.20 is: 2,229,417.75
Step by Step Solution
- Step 1: Write the proportion equation
4,182,605.40 : 6,272,651.70 = 1,486,576.20 : x - Step 2: Convert to fraction form
4,182,605.40/6,272,651.70 = 1,486,576.20/x - Step 3: Cross multiply
4,182,605.40x = 6,272,651.70 × 1,486,576.20 - Step 4: Simplify right side
4,182,605.40x = 9,324,774,728,109.54 - Step 5: Solve for x
x = 9,324,774,728,109.54/4,182,605.40 - Step 6: Final answer
x = 2,229,417.75
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1.5x scale
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.