Finding the Fourth Proportional to 2,861,158.32, 3,950,132.58 and 1,895,116.68
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Solution
The fourth proportional to 2,861,158.32, 3,950,132.58 and 1,895,116.68 is: 2,616,409.62
Step by Step Solution
- Step 1: Write the proportion equation
2,861,158.32 : 3,950,132.58 = 1,895,116.68 : x - Step 2: Convert to fraction form
2,861,158.32/3,950,132.58 = 1,895,116.68/x - Step 3: Cross multiply
2,861,158.32x = 3,950,132.58 × 1,895,116.68 - Step 4: Simplify right side
2,861,158.32x = 7,485,962,140,569.44 - Step 5: Solve for x
x = 7,485,962,140,569.44/2,861,158.32 - Step 6: Final answer
x = 2,616,409.62
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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.