Finding the Fourth Proportional to 4,086,007.80, 6,129,011.70 and 2,668,831.80
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Solution
The fourth proportional to 4,086,007.80, 6,129,011.70 and 2,668,831.80 is: 4,003,247.70
Step by Step Solution
- Step 1: Write the proportion equation
4,086,007.80 : 6,129,011.70 = 2,668,831.80 : x - Step 2: Convert to fraction form
4,086,007.80/6,129,011.70 = 2,668,831.80/x - Step 3: Cross multiply
4,086,007.80x = 6,129,011.70 × 2,668,831.80 - Step 4: Simplify right side
4,086,007.80x = 16,357,301,327,532.06 - Step 5: Solve for x
x = 16,357,301,327,532.06/4,086,007.80 - Step 6: Final answer
x = 4,003,247.70
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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.