Finding the Fourth Proportional to 2,519,882.79, 3,477,351.65 and 1,432,135.41
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Solution
The fourth proportional to 2,519,882.79, 3,477,351.65 and 1,432,135.41 is: 1,976,297.65
Step by Step Solution
- Step 1: Write the proportion equation
2,519,882.79 : 3,477,351.65 = 1,432,135.41 : x - Step 2: Convert to fraction form
2,519,882.79/3,477,351.65 = 1,432,135.41/x - Step 3: Cross multiply
2,519,882.79x = 3,477,351.65 × 1,432,135.41 - Step 4: Simplify right side
2,519,882.79x = 4,980,038,423,826.25 - Step 5: Solve for x
x = 4,980,038,423,826.25/2,519,882.79 - Step 6: Final answer
x = 1,976,297.65
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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.