Finding the Fourth Proportional to 1,817,125.11, 2,507,621.80 and 990,197.18
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Solution
The fourth proportional to 1,817,125.11, 2,507,621.80 and 990,197.18 is: 1,366,466.19
Step by Step Solution
- Step 1: Write the proportion equation
1,817,125.11 : 2,507,621.80 = 990,197.18 : x - Step 2: Convert to fraction form
1,817,125.11/2,507,621.80 = 990,197.18/x - Step 3: Cross multiply
1,817,125.11x = 2,507,621.80 × 990,197.18 - Step 4: Simplify right side
1,817,125.11x = 2,483,040,022,328.42 - Step 5: Solve for x
x = 2,483,040,022,328.42/1,817,125.11 - Step 6: Final answer
x = 1,366,466.19
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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.