Finding the Fourth Proportional to 4,172,831.76, 6,259,180.44 and 1,332,925.20
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Solution
The fourth proportional to 4,172,831.76, 6,259,180.44 and 1,332,925.20 is: 1,999,366.33
Step by Step Solution
- Step 1: Write the proportion equation
4,172,831.76 : 6,259,180.44 = 1,332,925.20 : x - Step 2: Convert to fraction form
4,172,831.76/6,259,180.44 = 1,332,925.20/x - Step 3: Cross multiply
4,172,831.76x = 6,259,180.44 × 1,332,925.20 - Step 4: Simplify right side
4,172,831.76x = 8,343,019,339,823.09 - Step 5: Solve for x
x = 8,343,019,339,823.09/4,172,831.76 - Step 6: Final answer
x = 1,999,366.33
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.