Finding the Fourth Proportional to 7,447,582.92, 11,171,357.82 and 1,982,679.12
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Solution
The fourth proportional to 7,447,582.92, 11,171,357.82 and 1,982,679.12 is: 2,974,014.27
Step by Step Solution
- Step 1: Write the proportion equation
7,447,582.92 : 11,171,357.82 = 1,982,679.12 : x - Step 2: Convert to fraction form
7,447,582.92/11,171,357.82 = 1,982,679.12/x - Step 3: Cross multiply
7,447,582.92x = 11,171,357.82 × 1,982,679.12 - Step 4: Simplify right side
7,447,582.92x = 22,149,217,891,762.72 - Step 5: Solve for x
x = 22,149,217,891,762.72/7,447,582.92 - Step 6: Final answer
x = 2,974,014.27
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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.