Finding the Fourth Proportional to 4,207,278.30, 6,315,064.65 and 2,079,764.70
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Solution
The fourth proportional to 4,207,278.30, 6,315,064.65 and 2,079,764.70 is: 3,121,697.12
Step by Step Solution
- Step 1: Write the proportion equation
4,207,278.30 : 6,315,064.65 = 2,079,764.70 : x - Step 2: Convert to fraction form
4,207,278.30/6,315,064.65 = 2,079,764.70/x - Step 3: Cross multiply
4,207,278.30x = 6,315,064.65 × 2,079,764.70 - Step 4: Simplify right side
4,207,278.30x = 13,133,848,537,287.86 - Step 5: Solve for x
x = 13,133,848,537,287.86/4,207,278.30 - Step 6: Final answer
x = 3,121,697.12
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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.