Finding the Fourth Proportional to 1,656,914.68, 2,286,555.42 and 921,879.64
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Solution
The fourth proportional to 1,656,914.68, 2,286,555.42 and 921,879.64 is: 1,272,201.23
Step by Step Solution
- Step 1: Write the proportion equation
1,656,914.68 : 2,286,555.42 = 921,879.64 : x - Step 2: Convert to fraction form
1,656,914.68/2,286,555.42 = 921,879.64/x - Step 3: Cross multiply
1,656,914.68x = 2,286,555.42 × 921,879.64 - Step 4: Simplify right side
1,656,914.68x = 2,107,928,887,429.65 - Step 5: Solve for x
x = 2,107,928,887,429.65/1,656,914.68 - Step 6: Final answer
x = 1,272,201.23
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.