Finding the Fourth Proportional to 5,621,427.99, 7,757,561.70 and 3,043,108.08
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Solution
The fourth proportional to 5,621,427.99, 7,757,561.70 and 3,043,108.08 is: 4,199,484.32
Step by Step Solution
- Step 1: Write the proportion equation
5,621,427.99 : 7,757,561.70 = 3,043,108.08 : x - Step 2: Convert to fraction form
5,621,427.99/7,757,561.70 = 3,043,108.08/x - Step 3: Cross multiply
5,621,427.99x = 7,757,561.70 × 3,043,108.08 - Step 4: Simplify right side
5,621,427.99x = 23,607,098,690,368.54 - Step 5: Solve for x
x = 23,607,098,690,368.54/5,621,427.99 - Step 6: Final answer
x = 4,199,484.32
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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.