Finding the Fourth Proportional to 1,605,800.66, 2,216,247.67 and 917,617.37
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Solution
The fourth proportional to 1,605,800.66, 2,216,247.67 and 917,617.37 is: 1,266,450.69
Step by Step Solution
- Step 1: Write the proportion equation
1,605,800.66 : 2,216,247.67 = 917,617.37 : x - Step 2: Convert to fraction form
1,605,800.66/2,216,247.67 = 917,617.37/x - Step 3: Cross multiply
1,605,800.66x = 2,216,247.67 × 917,617.37 - Step 4: Simplify right side
1,605,800.66x = 2,033,667,358,214.03 - Step 5: Solve for x
x = 2,033,667,358,214.03/1,605,800.66 - Step 6: Final answer
x = 1,266,450.69
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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.