Finding the Fourth Proportional to 2,211,507.57, 3,051,978.68 and 1,244,700.48
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Solution
The fourth proportional to 2,211,507.57, 3,051,978.68 and 1,244,700.48 is: 1,717,741.95
Step by Step Solution
- Step 1: Write the proportion equation
2,211,507.57 : 3,051,978.68 = 1,244,700.48 : x - Step 2: Convert to fraction form
2,211,507.57/3,051,978.68 = 1,244,700.48/x - Step 3: Cross multiply
2,211,507.57x = 3,051,978.68 × 1,244,700.48 - Step 4: Simplify right side
2,211,507.57x = 3,798,799,321,722.26 - Step 5: Solve for x
x = 3,798,799,321,722.26/2,211,507.57 - Step 6: Final answer
x = 1,717,741.95
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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.