Finding the Fourth Proportional to 1,977,372.68, 2,728,914.18 and 1,117,941.08
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Solution
The fourth proportional to 1,977,372.68, 2,728,914.18 and 1,117,941.08 is: 1,542,837.77
Step by Step Solution
- Step 1: Write the proportion equation
1,977,372.68 : 2,728,914.18 = 1,117,941.08 : x - Step 2: Convert to fraction form
1,977,372.68/2,728,914.18 = 1,117,941.08/x - Step 3: Cross multiply
1,977,372.68x = 2,728,914.18 × 1,117,941.08 - Step 4: Simplify right side
1,977,372.68x = 3,050,765,265,616.51 - Step 5: Solve for x
x = 3,050,765,265,616.51/1,977,372.68 - Step 6: Final answer
x = 1,542,837.77
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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.