Finding the Fourth Proportional to 5,393,903.16, 7,443,812.60 and 3,102,065.68
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Solution
The fourth proportional to 5,393,903.16, 7,443,812.60 and 3,102,065.68 is: 4,280,980.75
Step by Step Solution
- Step 1: Write the proportion equation
5,393,903.16 : 7,443,812.60 = 3,102,065.68 : x - Step 2: Convert to fraction form
5,393,903.16/7,443,812.60 = 3,102,065.68/x - Step 3: Cross multiply
5,393,903.16x = 7,443,812.60 × 3,102,065.68 - Step 4: Simplify right side
5,393,903.16x = 23,091,195,594,811.57 - Step 5: Solve for x
x = 23,091,195,594,811.57/5,393,903.16 - Step 6: Final answer
x = 4,280,980.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.