Finding the Fourth Proportional to 1,971,207.30, 2,957,175.99 and 623,709.12
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Solution
The fourth proportional to 1,971,207.30, 2,957,175.99 and 623,709.12 is: 935,679.18
Step by Step Solution
- Step 1: Write the proportion equation
1,971,207.30 : 2,957,175.99 = 623,709.12 : x - Step 2: Convert to fraction form
1,971,207.30/2,957,175.99 = 623,709.12/x - Step 3: Cross multiply
1,971,207.30x = 2,957,175.99 × 623,709.12 - Step 4: Simplify right side
1,971,207.30x = 1,844,417,634,408.03 - Step 5: Solve for x
x = 1,844,417,634,408.03/1,971,207.30 - Step 6: Final answer
x = 935,679.18
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.