Finding the Fourth Proportional to 4,421,221.72, 6,631,832.14 and 1,226,348.03
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Solution
The fourth proportional to 4,421,221.72, 6,631,832.14 and 1,226,348.03 is: 1,839,521.92
Step by Step Solution
- Step 1: Write the proportion equation
4,421,221.72 : 6,631,832.14 = 1,226,348.03 : x - Step 2: Convert to fraction form
4,421,221.72/6,631,832.14 = 1,226,348.03/x - Step 3: Cross multiply
4,421,221.72x = 6,631,832.14 × 1,226,348.03 - Step 4: Simplify right side
4,421,221.72x = 8,132,934,280,179.68 - Step 5: Solve for x
x = 8,132,934,280,179.68/4,421,221.72 - Step 6: Final answer
x = 1,839,521.92
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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.