Finding the Fourth Proportional to 1,440,831.51, 2,161,247.25 and 542,474.79
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Solution
The fourth proportional to 1,440,831.51, 2,161,247.25 and 542,474.79 is: 813,712.18
Step by Step Solution
- Step 1: Write the proportion equation
1,440,831.51 : 2,161,247.25 = 542,474.79 : x - Step 2: Convert to fraction form
1,440,831.51/2,161,247.25 = 542,474.79/x - Step 3: Cross multiply
1,440,831.51x = 2,161,247.25 × 542,474.79 - Step 4: Simplify right side
1,440,831.51x = 1,172,422,148,081.83 - Step 5: Solve for x
x = 1,172,422,148,081.83/1,440,831.51 - Step 6: Final answer
x = 813,712.18
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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.