Finding the Fourth Proportional to 4,918,197.48, 6,787,099.32 and 2,742,743.03
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Solution
The fourth proportional to 4,918,197.48, 6,787,099.32 and 2,742,743.03 is: 3,784,978.01
Step by Step Solution
- Step 1: Write the proportion equation
4,918,197.48 : 6,787,099.32 = 2,742,743.03 : x - Step 2: Convert to fraction form
4,918,197.48/6,787,099.32 = 2,742,743.03/x - Step 3: Cross multiply
4,918,197.48x = 6,787,099.32 × 2,742,743.03 - Step 4: Simplify right side
4,918,197.48x = 18,615,269,319,912.24 - Step 5: Solve for x
x = 18,615,269,319,912.24/4,918,197.48 - Step 6: Final answer
x = 3,784,978.01
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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.