Finding the Fourth Proportional to 5,765,720.43, 7,956,730.34 and 3,152,230.53
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Solution
The fourth proportional to 5,765,720.43, 7,956,730.34 and 3,152,230.53 is: 4,350,097.88
Step by Step Solution
- Step 1: Write the proportion equation
5,765,720.43 : 7,956,730.34 = 3,152,230.53 : x - Step 2: Convert to fraction form
5,765,720.43/7,956,730.34 = 3,152,230.53/x - Step 3: Cross multiply
5,765,720.43x = 7,956,730.34 × 3,152,230.53 - Step 4: Simplify right side
5,765,720.43x = 25,081,448,262,947.25 - Step 5: Solve for x
x = 25,081,448,262,947.25/5,765,720.43 - Step 6: Final answer
x = 4,350,097.88
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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.