Finding the Fourth Proportional to 3,037,760.79, 4,190,134.77 and 1,948,306.74
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Solution
The fourth proportional to 3,037,760.79, 4,190,134.77 and 1,948,306.74 is: 2,687,396.53
Step by Step Solution
- Step 1: Write the proportion equation
3,037,760.79 : 4,190,134.77 = 1,948,306.74 : x - Step 2: Convert to fraction form
3,037,760.79/4,190,134.77 = 1,948,306.74/x - Step 3: Cross multiply
3,037,760.79x = 4,190,134.77 × 1,948,306.74 - Step 4: Simplify right side
3,037,760.79x = 8,163,667,813,899.35 - Step 5: Solve for x
x = 8,163,667,813,899.35/3,037,760.79 - Step 6: Final answer
x = 2,687,396.53
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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.