Finding the Fourth Proportional to 1,717,770.71, 2,576,654.35 and 438,378.21
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Solution
The fourth proportional to 1,717,770.71, 2,576,654.35 and 438,378.21 is: 657,566.88
Step by Step Solution
- Step 1: Write the proportion equation
1,717,770.71 : 2,576,654.35 = 438,378.21 : x - Step 2: Convert to fraction form
1,717,770.71/2,576,654.35 = 438,378.21/x - Step 3: Cross multiply
1,717,770.71x = 2,576,654.35 × 438,378.21 - Step 4: Simplify right side
1,717,770.71x = 1,129,549,120,645.77 - Step 5: Solve for x
x = 1,129,549,120,645.77/1,717,770.71 - Step 6: Final answer
x = 657,566.88
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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.