Finding the Fourth Proportional to 1,447,489.53, 1,997,496.99 and 835,621.62
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Solution
The fourth proportional to 1,447,489.53, 1,997,496.99 and 835,621.62 is: 1,153,135.57
Step by Step Solution
- Step 1: Write the proportion equation
1,447,489.53 : 1,997,496.99 = 835,621.62 : x - Step 2: Convert to fraction form
1,447,489.53/1,997,496.99 = 835,621.62/x - Step 3: Cross multiply
1,447,489.53x = 1,997,496.99 × 835,621.62 - Step 4: Simplify right side
1,447,489.53x = 1,669,151,670,728.92 - Step 5: Solve for x
x = 1,669,151,670,728.92/1,447,489.53 - Step 6: Final answer
x = 1,153,135.57
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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.