Finding the Fourth Proportional to 5,154,245.70, 7,112,664.31 and 2,862,554.01
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Solution
The fourth proportional to 5,154,245.70, 7,112,664.31 and 2,862,554.01 is: 3,950,216.37
Step by Step Solution
- Step 1: Write the proportion equation
5,154,245.70 : 7,112,664.31 = 2,862,554.01 : x - Step 2: Convert to fraction form
5,154,245.70/7,112,664.31 = 2,862,554.01/x - Step 3: Cross multiply
5,154,245.70x = 7,112,664.31 × 2,862,554.01 - Step 4: Simplify right side
5,154,245.70x = 20,360,385,742,374.38 - Step 5: Solve for x
x = 20,360,385,742,374.38/5,154,245.70 - Step 6: Final answer
x = 3,950,216.37
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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.