Finding the Fourth Proportional to 1,562,831.66, 2,344,234.32 and 1,221,562.14
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Solution
The fourth proportional to 1,562,831.66, 2,344,234.32 and 1,221,562.14 is: 1,832,332.92
Step by Step Solution
- Step 1: Write the proportion equation
1,562,831.66 : 2,344,234.32 = 1,221,562.14 : x - Step 2: Convert to fraction form
1,562,831.66/2,344,234.32 = 1,221,562.14/x - Step 3: Cross multiply
1,562,831.66x = 2,344,234.32 × 1,221,562.14 - Step 4: Simplify right side
1,562,831.66x = 2,863,627,888,685.04 - Step 5: Solve for x
x = 2,863,627,888,685.04/1,562,831.66 - Step 6: Final answer
x = 1,832,332.92
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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.