Finding the Fourth Proportional to 2,089,070.13, 3,133,605.24 and 1,378,932.06
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Solution
The fourth proportional to 2,089,070.13, 3,133,605.24 and 1,378,932.06 is: 2,068,398.12
Step by Step Solution
- Step 1: Write the proportion equation
2,089,070.13 : 3,133,605.24 = 1,378,932.06 : x - Step 2: Convert to fraction form
2,089,070.13/3,133,605.24 = 1,378,932.06/x - Step 3: Cross multiply
2,089,070.13x = 3,133,605.24 × 1,378,932.06 - Step 4: Simplify right side
2,089,070.13x = 4,321,028,728,820.00 - Step 5: Solve for x
x = 4,321,028,728,820.00/2,089,070.13 - Step 6: Final answer
x = 2,068,398.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.