Finding the Fourth Proportional to 5,432,769.10, 8,149,153.65 and 1,646,440.30
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Solution
The fourth proportional to 5,432,769.10, 8,149,153.65 and 1,646,440.30 is: 2,469,660.45
Step by Step Solution
- Step 1: Write the proportion equation
5,432,769.10 : 8,149,153.65 = 1,646,440.30 : x - Step 2: Convert to fraction form
5,432,769.10/8,149,153.65 = 1,646,440.30/x - Step 3: Cross multiply
5,432,769.10x = 8,149,153.65 × 1,646,440.30 - Step 4: Simplify right side
5,432,769.10x = 13,417,094,980,252.10 - Step 5: Solve for x
x = 13,417,094,980,252.10/5,432,769.10 - Step 6: Final answer
x = 2,469,660.45
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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.