Finding the Fourth Proportional to 5,393,903.14, 7,443,812.60 and 3,102,065.65
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Solution
The fourth proportional to 5,393,903.14, 7,443,812.60 and 3,102,065.65 is: 4,280,980.72
Step by Step Solution
- Step 1: Write the proportion equation
5,393,903.14 : 7,443,812.60 = 3,102,065.65 : x - Step 2: Convert to fraction form
5,393,903.14/7,443,812.60 = 3,102,065.65/x - Step 3: Cross multiply
5,393,903.14x = 7,443,812.60 × 3,102,065.65 - Step 4: Simplify right side
5,393,903.14x = 23,091,195,371,497.19 - Step 5: Solve for x
x = 23,091,195,371,497.19/5,393,903.14 - Step 6: Final answer
x = 4,280,980.72
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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.