Finding the Fourth Proportional to 1,637,933.30, 2,260,350.10 and 912,765.09
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Solution
The fourth proportional to 1,637,933.30, 2,260,350.10 and 912,765.09 is: 1,259,617.02
Step by Step Solution
- Step 1: Write the proportion equation
1,637,933.30 : 2,260,350.10 = 912,765.09 : x - Step 2: Convert to fraction form
1,637,933.30/2,260,350.10 = 912,765.09/x - Step 3: Cross multiply
1,637,933.30x = 2,260,350.10 × 912,765.09 - Step 4: Simplify right side
1,637,933.30x = 2,063,168,662,458.01 - Step 5: Solve for x
x = 2,063,168,662,458.01/1,637,933.30 - Step 6: Final answer
x = 1,259,617.02
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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.