Finding the Fourth Proportional to 5,891,905.80, 8,129,879.69 and 3,313,432.80
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Solution
The fourth proportional to 5,891,905.80, 8,129,879.69 and 3,313,432.80 is: 4,572,002.83
Step by Step Solution
- Step 1: Write the proportion equation
5,891,905.80 : 8,129,879.69 = 3,313,432.80 : x - Step 2: Convert to fraction form
5,891,905.80/8,129,879.69 = 3,313,432.80/x - Step 3: Cross multiply
5,891,905.80x = 8,129,879.69 × 3,313,432.80 - Step 4: Simplify right side
5,891,905.80x = 26,937,810,008,332.66 - Step 5: Solve for x
x = 26,937,810,008,332.66/5,891,905.80 - Step 6: Final answer
x = 4,572,002.83
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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.