Finding the Fourth Proportional to 3,485,490.18, 5,228,239.35 and 1,089,347.37
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Solution
The fourth proportional to 3,485,490.18, 5,228,239.35 and 1,089,347.37 is: 1,634,022.33
Step by Step Solution
- Step 1: Write the proportion equation
3,485,490.18 : 5,228,239.35 = 1,089,347.37 : x - Step 2: Convert to fraction form
3,485,490.18/5,228,239.35 = 1,089,347.37/x - Step 3: Cross multiply
3,485,490.18x = 5,228,239.35 × 1,089,347.37 - Step 4: Simplify right side
3,485,490.18x = 5,695,368,785,653.01 - Step 5: Solve for x
x = 5,695,368,785,653.01/3,485,490.18 - Step 6: Final answer
x = 1,634,022.33
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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.