Finding the Fourth Proportional to 5,813,982.84, 8,023,020.75 and 3,200,433.11
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Solution
The fourth proportional to 5,813,982.84, 8,023,020.75 and 3,200,433.11 is: 4,416,445.99
Step by Step Solution
- Step 1: Write the proportion equation
5,813,982.84 : 8,023,020.75 = 3,200,433.11 : x - Step 2: Convert to fraction form
5,813,982.84/8,023,020.75 = 3,200,433.11/x - Step 3: Cross multiply
5,813,982.84x = 8,023,020.75 × 3,200,433.11 - Step 4: Simplify right side
5,813,982.84x = 25,677,141,210,401.93 - Step 5: Solve for x
x = 25,677,141,210,401.93/5,813,982.84 - Step 6: Final answer
x = 4,416,445.99
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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.