Finding the Fourth Proportional to 2,037,625.28, 2,811,986.18 and 1,119,837.76
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Solution
The fourth proportional to 2,037,625.28, 2,811,986.18 and 1,119,837.76 is: 1,545,410.89
Step by Step Solution
- Step 1: Write the proportion equation
2,037,625.28 : 2,811,986.18 = 1,119,837.76 : x - Step 2: Convert to fraction form
2,037,625.28/2,811,986.18 = 1,119,837.76/x - Step 3: Cross multiply
2,037,625.28x = 2,811,986.18 × 1,119,837.76 - Step 4: Simplify right side
2,037,625.28x = 3,148,968,304,962.16 - Step 5: Solve for x
x = 3,148,968,304,962.16/2,037,625.28 - Step 6: Final answer
x = 1,545,410.89
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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.