Finding the Fourth Proportional to 5,742,673.08, 7,925,236.80 and 3,164,350.68
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Solution
The fourth proportional to 5,742,673.08, 7,925,236.80 and 3,164,350.68 is: 4,366,995.67
Step by Step Solution
- Step 1: Write the proportion equation
5,742,673.08 : 7,925,236.80 = 3,164,350.68 : x - Step 2: Convert to fraction form
5,742,673.08/7,925,236.80 = 3,164,350.68/x - Step 3: Cross multiply
5,742,673.08x = 7,925,236.80 × 3,164,350.68 - Step 4: Simplify right side
5,742,673.08x = 25,078,228,457,241.02 - Step 5: Solve for x
x = 25,078,228,457,241.02/5,742,673.08 - Step 6: Final answer
x = 4,366,995.67
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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.