Finding the Fourth Proportional to 2,281,487.91, 3,148,453.11 and 1,248,992.47
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Solution
The fourth proportional to 2,281,487.91, 3,148,453.11 and 1,248,992.47 is: 1,723,609.50
Step by Step Solution
- Step 1: Write the proportion equation
2,281,487.91 : 3,148,453.11 = 1,248,992.47 : x - Step 2: Convert to fraction form
2,281,487.91/3,148,453.11 = 1,248,992.47/x - Step 3: Cross multiply
2,281,487.91x = 3,148,453.11 × 1,248,992.47 - Step 4: Simplify right side
2,281,487.91x = 3,932,394,226,538.08 - Step 5: Solve for x
x = 3,932,394,226,538.08/2,281,487.91 - Step 6: Final answer
x = 1,723,609.50
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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.