Finding the Fourth Proportional to 5,615,213.31, 7,748,994.38 and 3,036,894.09
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Solution
The fourth proportional to 5,615,213.31, 7,748,994.38 and 3,036,894.09 is: 4,190,913.84
Step by Step Solution
- Step 1: Write the proportion equation
5,615,213.31 : 7,748,994.38 = 3,036,894.09 : x - Step 2: Convert to fraction form
5,615,213.31/7,748,994.38 = 3,036,894.09/x - Step 3: Cross multiply
5,615,213.31x = 7,748,994.38 × 3,036,894.09 - Step 4: Simplify right side
5,615,213.31x = 23,532,875,184,717.70 - Step 5: Solve for x
x = 23,532,875,184,717.70/5,615,213.31 - Step 6: Final answer
x = 4,190,913.84
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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.