Finding the Fourth Proportional to 4,421,178.86, 6,631,767.66 and 1,226,305
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Solution
The fourth proportional to 4,421,178.86, 6,631,767.66 and 1,226,305 is: 1,839,457.33
Step by Step Solution
- Step 1: Write the proportion equation
4,421,178.86 : 6,631,767.66 = 1,226,305 : x - Step 2: Convert to fraction form
4,421,178.86/6,631,767.66 = 1,226,305/x - Step 3: Cross multiply
4,421,178.86x = 6,631,767.66 × 1,226,305 - Step 4: Simplify right side
4,421,178.86x = 8,132,569,840,296.30 - Step 5: Solve for x
x = 8,132,569,840,296.30/4,421,178.86 - Step 6: Final answer
x = 1,839,457.33
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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.