Finding the Fourth Proportional to 2,405,562.74, 3,319,537.06 and 1,317,644.90
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Solution
The fourth proportional to 2,405,562.74, 3,319,537.06 and 1,317,644.90 is: 1,818,273.54
Step by Step Solution
- Step 1: Write the proportion equation
2,405,562.74 : 3,319,537.06 = 1,317,644.90 : x - Step 2: Convert to fraction form
2,405,562.74/3,319,537.06 = 1,317,644.90/x - Step 3: Cross multiply
2,405,562.74x = 3,319,537.06 × 1,317,644.90 - Step 4: Simplify right side
2,405,562.74x = 4,373,971,077,469.99 - Step 5: Solve for x
x = 4,373,971,077,469.99/2,405,562.74 - Step 6: Final answer
x = 1,818,273.54
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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.