Finding the Fourth Proportional to 2,771,431.21, 3,824,534.71 and 1,547,723.78
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Solution
The fourth proportional to 2,771,431.21, 3,824,534.71 and 1,547,723.78 is: 2,135,836.28
Step by Step Solution
- Step 1: Write the proportion equation
2,771,431.21 : 3,824,534.71 = 1,547,723.78 : x - Step 2: Convert to fraction form
2,771,431.21/3,824,534.71 = 1,547,723.78/x - Step 3: Cross multiply
2,771,431.21x = 3,824,534.71 × 1,547,723.78 - Step 4: Simplify right side
2,771,431.21x = 5,919,323,318,102.40 - Step 5: Solve for x
x = 5,919,323,318,102.40/2,771,431.21 - Step 6: Final answer
x = 2,135,836.28
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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.