Finding the Fourth Proportional to 1,621,433.62, 2,430,837.42 and 675,512.38
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Solution
The fourth proportional to 1,621,433.62, 2,430,837.42 and 675,512.38 is: 1,012,721.55
Step by Step Solution
- Step 1: Write the proportion equation
1,621,433.62 : 2,430,837.42 = 675,512.38 : x - Step 2: Convert to fraction form
1,621,433.62/2,430,837.42 = 675,512.38/x - Step 3: Cross multiply
1,621,433.62x = 2,430,837.42 × 675,512.38 - Step 4: Simplify right side
1,621,433.62x = 1,642,060,770,977.26 - Step 5: Solve for x
x = 1,642,060,770,977.26/1,621,433.62 - Step 6: Final answer
x = 1,012,721.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.