Finding the Fourth Proportional to 2,023,241.40, 2,788,830.36 and 1,369,661.31
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Solution
The fourth proportional to 2,023,241.40, 2,788,830.36 and 1,369,661.31 is: 1,887,937.37
Step by Step Solution
- Step 1: Write the proportion equation
2,023,241.40 : 2,788,830.36 = 1,369,661.31 : x - Step 2: Convert to fraction form
2,023,241.40/2,788,830.36 = 1,369,661.31/x - Step 3: Cross multiply
2,023,241.40x = 2,788,830.36 × 1,369,661.31 - Step 4: Simplify right side
2,023,241.40x = 3,819,753,044,245.37 - Step 5: Solve for x
x = 3,819,753,044,245.37/2,023,241.40 - Step 6: Final answer
x = 1,887,937.37
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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.