Finding the Fourth Proportional to 4,214,615.46, 6,318,048.09 and 1,518,281.28
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Solution
The fourth proportional to 4,214,615.46, 6,318,048.09 and 1,518,281.28 is: 2,276,025.95
Step by Step Solution
- Step 1: Write the proportion equation
4,214,615.46 : 6,318,048.09 = 1,518,281.28 : x - Step 2: Convert to fraction form
4,214,615.46/6,318,048.09 = 1,518,281.28/x - Step 3: Cross multiply
4,214,615.46x = 6,318,048.09 × 1,518,281.28 - Step 4: Simplify right side
4,214,615.46x = 9,592,574,146,880.31 - Step 5: Solve for x
x = 9,592,574,146,880.31/4,214,615.46 - Step 6: Final answer
x = 2,276,025.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.