Finding the Fourth Proportional to 2,561,281.08, 3,534,569.10 and 1,415,361.42
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Solution
The fourth proportional to 2,561,281.08, 3,534,569.10 and 1,415,361.42 is: 1,953,199.43
Step by Step Solution
- Step 1: Write the proportion equation
2,561,281.08 : 3,534,569.10 = 1,415,361.42 : x - Step 2: Convert to fraction form
2,561,281.08/3,534,569.10 = 1,415,361.42/x - Step 3: Cross multiply
2,561,281.08x = 3,534,569.10 × 1,415,361.42 - Step 4: Simplify right side
2,561,281.08x = 5,002,692,740,464.12 - Step 5: Solve for x
x = 5,002,692,740,464.12/2,561,281.08 - Step 6: Final answer
x = 1,953,199.43
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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.