Finding the Fourth Proportional to 2,874,433.11, 3,963,078.30 and 1,894,219.71
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Solution
The fourth proportional to 2,874,433.11, 3,963,078.30 and 1,894,219.71 is: 2,611,624.88
Step by Step Solution
- Step 1: Write the proportion equation
2,874,433.11 : 3,963,078.30 = 1,894,219.71 : x - Step 2: Convert to fraction form
2,874,433.11/3,963,078.30 = 1,894,219.71/x - Step 3: Cross multiply
2,874,433.11x = 3,963,078.30 × 1,894,219.71 - Step 4: Simplify right side
2,874,433.11x = 7,506,941,028,133.29 - Step 5: Solve for x
x = 7,506,941,028,133.29/2,874,433.11 - Step 6: Final answer
x = 2,611,624.88
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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.