Finding the Fourth Proportional to 5,298,356.68, 7,948,720.18 and 1,932,563.68
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Solution
The fourth proportional to 5,298,356.68, 7,948,720.18 and 1,932,563.68 is: 2,899,277.80
Step by Step Solution
- Step 1: Write the proportion equation
5,298,356.68 : 7,948,720.18 = 1,932,563.68 : x - Step 2: Convert to fraction form
5,298,356.68/7,948,720.18 = 1,932,563.68/x - Step 3: Cross multiply
5,298,356.68x = 7,948,720.18 × 1,932,563.68 - Step 4: Simplify right side
5,298,356.68x = 15,361,407,922,351.06 - Step 5: Solve for x
x = 15,361,407,922,351.06/5,298,356.68 - Step 6: Final answer
x = 2,899,277.80
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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.