Finding the Fourth Proportional to 2,567,044.90, 3,542,381.49 and 1,405,266.46
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Solution
The fourth proportional to 2,567,044.90, 3,542,381.49 and 1,405,266.46 is: 1,939,190.82
Step by Step Solution
- Step 1: Write the proportion equation
2,567,044.90 : 3,542,381.49 = 1,405,266.46 : x - Step 2: Convert to fraction form
2,567,044.90/3,542,381.49 = 1,405,266.46/x - Step 3: Cross multiply
2,567,044.90x = 3,542,381.49 × 1,405,266.46 - Step 4: Simplify right side
2,567,044.90x = 4,977,989,896,421.83 - Step 5: Solve for x
x = 4,977,989,896,421.83/2,567,044.90 - Step 6: Final answer
x = 1,939,190.82
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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.