Finding the Fourth Proportional to 1,811,125.20, 2,718,437.40 and 1,102,537.20
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Solution
The fourth proportional to 1,811,125.20, 2,718,437.40 and 1,102,537.20 is: 1,654,870.88
Step by Step Solution
- Step 1: Write the proportion equation
1,811,125.20 : 2,718,437.40 = 1,102,537.20 : x - Step 2: Convert to fraction form
1,811,125.20/2,718,437.40 = 1,102,537.20/x - Step 3: Cross multiply
1,811,125.20x = 2,718,437.40 × 1,102,537.20 - Step 4: Simplify right side
1,811,125.20x = 2,997,178,359,371.28 - Step 5: Solve for x
x = 2,997,178,359,371.28/1,811,125.20 - Step 6: Final answer
x = 1,654,870.88
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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.