Finding the Fourth Proportional to 1,663,655.10, 2,295,850.96 and 899,708.66
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Solution
The fourth proportional to 1,663,655.10, 2,295,850.96 and 899,708.66 is: 1,241,601.69
Step by Step Solution
- Step 1: Write the proportion equation
1,663,655.10 : 2,295,850.96 = 899,708.66 : x - Step 2: Convert to fraction form
1,663,655.10/2,295,850.96 = 899,708.66/x - Step 3: Cross multiply
1,663,655.10x = 2,295,850.96 × 899,708.66 - Step 4: Simplify right side
1,663,655.10x = 2,065,596,990,781.31 - Step 5: Solve for x
x = 2,065,596,990,781.31/1,663,655.10 - Step 6: Final answer
x = 1,241,601.69
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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.