Finding the Fourth Proportional to 1,549,556.68, 2,138,373.12 and 861,230.04
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Solution
The fourth proportional to 1,549,556.68, 2,138,373.12 and 861,230.04 is: 1,188,489.06
Step by Step Solution
- Step 1: Write the proportion equation
1,549,556.68 : 2,138,373.12 = 861,230.04 : x - Step 2: Convert to fraction form
1,549,556.68/2,138,373.12 = 861,230.04/x - Step 3: Cross multiply
1,549,556.68x = 2,138,373.12 × 861,230.04 - Step 4: Simplify right side
1,549,556.68x = 1,841,631,167,672.53 - Step 5: Solve for x
x = 1,841,631,167,672.53/1,549,556.68 - Step 6: Final answer
x = 1,188,489.06
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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.