Finding the Fourth Proportional to 1,472,270.62, 2,206,831.28 and 672,353.50
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Solution
The fourth proportional to 1,472,270.62, 2,206,831.28 and 672,353.50 is: 1,007,811.14
Step by Step Solution
- Step 1: Write the proportion equation
1,472,270.62 : 2,206,831.28 = 672,353.50 : x - Step 2: Convert to fraction form
1,472,270.62/2,206,831.28 = 672,353.50/x - Step 3: Cross multiply
1,472,270.62x = 2,206,831.28 × 672,353.50 - Step 4: Simplify right side
1,472,270.62x = 1,483,770,731,655.71 - Step 5: Solve for x
x = 1,483,770,731,655.71/1,472,270.62 - Step 6: Final answer
x = 1,007,811.14
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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.