Finding the Fourth Proportional to 7,317,390.70, 10,971,831.48 and 2,768,790.87
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Solution
The fourth proportional to 7,317,390.70, 10,971,831.48 and 2,768,790.87 is: 4,151,576.44
Step by Step Solution
- Step 1: Write the proportion equation
7,317,390.70 : 10,971,831.48 = 2,768,790.87 : x - Step 2: Convert to fraction form
7,317,390.70/10,971,831.48 = 2,768,790.87/x - Step 3: Cross multiply
7,317,390.70x = 10,971,831.48 × 2,768,790.87 - Step 4: Simplify right side
7,317,390.70x = 30,378,706,829,002.59 - Step 5: Solve for x
x = 30,378,706,829,002.59/7,317,390.70 - Step 6: Final answer
x = 4,151,576.44
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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.