Finding the Fourth Proportional to 2,432,112.96, 3,356,649.18 and 1,399,599.48
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Solution
The fourth proportional to 2,432,112.96, 3,356,649.18 and 1,399,599.48 is: 1,931,639.08
Step by Step Solution
- Step 1: Write the proportion equation
2,432,112.96 : 3,356,649.18 = 1,399,599.48 : x - Step 2: Convert to fraction form
2,432,112.96/3,356,649.18 = 1,399,599.48/x - Step 3: Cross multiply
2,432,112.96x = 3,356,649.18 × 1,399,599.48 - Step 4: Simplify right side
2,432,112.96x = 4,697,964,446,870.43 - Step 5: Solve for x
x = 4,697,964,446,870.43/2,432,112.96 - Step 6: Final answer
x = 1,931,639.08
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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.