Finding the Fourth Proportional to 5,485,850.15, 8,221,621.50 and 3,056,901.53
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Solution
The fourth proportional to 5,485,850.15, 8,221,621.50 and 3,056,901.53 is: 4,581,365.99
Step by Step Solution
- Step 1: Write the proportion equation
5,485,850.15 : 8,221,621.50 = 3,056,901.53 : x - Step 2: Convert to fraction form
5,485,850.15/8,221,621.50 = 3,056,901.53/x - Step 3: Cross multiply
5,485,850.15x = 8,221,621.50 × 3,056,901.53 - Step 4: Simplify right side
5,485,850.15x = 25,132,687,301,322.79 - Step 5: Solve for x
x = 25,132,687,301,322.79/5,485,850.15 - Step 6: Final answer
x = 4,581,365.99
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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.