Finding the Fourth Proportional to 2,208,984.80, 3,048,338.43 and 1,242,090.23
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Solution
The fourth proportional to 2,208,984.80, 3,048,338.43 and 1,242,090.23 is: 1,714,050.45
Step by Step Solution
- Step 1: Write the proportion equation
2,208,984.80 : 3,048,338.43 = 1,242,090.23 : x - Step 2: Convert to fraction form
2,208,984.80/3,048,338.43 = 1,242,090.23/x - Step 3: Cross multiply
2,208,984.80x = 3,048,338.43 × 1,242,090.23 - Step 4: Simplify right side
2,208,984.80x = 3,786,311,381,636.54 - Step 5: Solve for x
x = 3,786,311,381,636.54/2,208,984.80 - Step 6: Final answer
x = 1,714,050.45
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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.