Finding the Fourth Proportional to 1,729,147.98, 2,386,214.98 and 1,004,173.81
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Solution
The fourth proportional to 1,729,147.98, 2,386,214.98 and 1,004,173.81 is: 1,385,754.50
Step by Step Solution
- Step 1: Write the proportion equation
1,729,147.98 : 2,386,214.98 = 1,004,173.81 : x - Step 2: Convert to fraction form
1,729,147.98/2,386,214.98 = 1,004,173.81/x - Step 3: Cross multiply
1,729,147.98x = 2,386,214.98 × 1,004,173.81 - Step 4: Simplify right side
1,729,147.98x = 2,396,174,587,945.67 - Step 5: Solve for x
x = 2,396,174,587,945.67/1,729,147.98 - Step 6: Final answer
x = 1,385,754.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.