Finding the Fourth Proportional to 3,174,132.99, 4,382,119.26 and 2,089,557.39
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Solution
The fourth proportional to 3,174,132.99, 4,382,119.26 and 2,089,557.39 is: 2,884,784.51
Step by Step Solution
- Step 1: Write the proportion equation
3,174,132.99 : 4,382,119.26 = 2,089,557.39 : x - Step 2: Convert to fraction form
3,174,132.99/4,382,119.26 = 2,089,557.39/x - Step 3: Cross multiply
3,174,132.99x = 4,382,119.26 × 2,089,557.39 - Step 4: Simplify right side
3,174,132.99x = 9,156,689,683,594.33 - Step 5: Solve for x
x = 9,156,689,683,594.33/3,174,132.99 - Step 6: Final answer
x = 2,884,784.51
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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.