Finding the Fourth Proportional to 2,080,378.07, 3,120,567.11 and 1,438,663.07
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Solution
The fourth proportional to 2,080,378.07, 3,120,567.11 and 1,438,663.07 is: 2,157,994.59
Step by Step Solution
- Step 1: Write the proportion equation
2,080,378.07 : 3,120,567.11 = 1,438,663.07 : x - Step 2: Convert to fraction form
2,080,378.07/3,120,567.11 = 1,438,663.07/x - Step 3: Cross multiply
2,080,378.07x = 3,120,567.11 × 1,438,663.07 - Step 4: Simplify right side
2,080,378.07x = 4,489,444,635,817.48 - Step 5: Solve for x
x = 4,489,444,635,817.48/2,080,378.07 - Step 6: Final answer
x = 2,157,994.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.