Finding the Fourth Proportional to 2,992,421.34, 4,129,567.80 and 1,703,344.71
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Solution
The fourth proportional to 2,992,421.34, 4,129,567.80 and 1,703,344.71 is: 2,350,630.70
Step by Step Solution
- Step 1: Write the proportion equation
2,992,421.34 : 4,129,567.80 = 1,703,344.71 : x - Step 2: Convert to fraction form
2,992,421.34/4,129,567.80 = 1,703,344.71/x - Step 3: Cross multiply
2,992,421.34x = 4,129,567.80 × 1,703,344.71 - Step 4: Simplify right side
2,992,421.34x = 7,034,077,466,716.34 - Step 5: Solve for x
x = 7,034,077,466,716.34/2,992,421.34 - Step 6: Final answer
x = 2,350,630.70
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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.