Finding the Fourth Proportional to 3,757,905.12, 5,637,559.92 and 1,708,716.18
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Solution
The fourth proportional to 3,757,905.12, 5,637,559.92 and 1,708,716.18 is: 2,563,393.58
Step by Step Solution
- Step 1: Write the proportion equation
3,757,905.12 : 5,637,559.92 = 1,708,716.18 : x - Step 2: Convert to fraction form
3,757,905.12/5,637,559.92 = 1,708,716.18/x - Step 3: Cross multiply
3,757,905.12x = 5,637,559.92 × 1,708,716.18 - Step 4: Simplify right side
3,757,905.12x = 9,632,989,851,023.51 - Step 5: Solve for x
x = 9,632,989,851,023.51/3,757,905.12 - Step 6: Final answer
x = 2,563,393.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.