Finding the Fourth Proportional to 5,119,612.16, 7,680,563.68 and 1,924,766
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Solution
The fourth proportional to 5,119,612.16, 7,680,563.68 and 1,924,766 is: 2,887,579.64
Step by Step Solution
- Step 1: Write the proportion equation
5,119,612.16 : 7,680,563.68 = 1,924,766 : x - Step 2: Convert to fraction form
5,119,612.16/7,680,563.68 = 1,924,766/x - Step 3: Cross multiply
5,119,612.16x = 7,680,563.68 × 1,924,766 - Step 4: Simplify right side
5,119,612.16x = 14,783,287,832,098.88 - Step 5: Solve for x
x = 14,783,287,832,098.88/5,119,612.16 - Step 6: Final answer
x = 2,887,579.64
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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.