Finding the Fourth Proportional to 2,756,942.19, 4,135,415.11 and 863,831.25
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Solution
The fourth proportional to 2,756,942.19, 4,135,415.11 and 863,831.25 is: 1,295,747.45
Step by Step Solution
- Step 1: Write the proportion equation
2,756,942.19 : 4,135,415.11 = 863,831.25 : x - Step 2: Convert to fraction form
2,756,942.19/4,135,415.11 = 863,831.25/x - Step 3: Cross multiply
2,756,942.19x = 4,135,415.11 × 863,831.25 - Step 4: Simplify right side
2,756,942.19x = 3,572,300,801,580.61 - Step 5: Solve for x
x = 3,572,300,801,580.61/2,756,942.19 - Step 6: Final answer
x = 1,295,747.45
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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.