Finding the Fourth Proportional to 3,485,490.44, 5,228,239.73 and 1,089,347.63
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Solution
The fourth proportional to 3,485,490.44, 5,228,239.73 and 1,089,347.63 is: 1,634,022.71
Step by Step Solution
- Step 1: Write the proportion equation
3,485,490.44 : 5,228,239.73 = 1,089,347.63 : x - Step 2: Convert to fraction form
3,485,490.44/5,228,239.73 = 1,089,347.63/x - Step 3: Cross multiply
3,485,490.44x = 5,228,239.73 × 1,089,347.63 - Step 4: Simplify right side
3,485,490.44x = 5,695,370,527,359.40 - Step 5: Solve for x
x = 5,695,370,527,359.40/3,485,490.44 - Step 6: Final answer
x = 1,634,022.71
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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.