Finding the Fourth Proportional to 5,119,612.66, 7,680,564.42 and 1,924,766.52
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Solution
The fourth proportional to 5,119,612.66, 7,680,564.42 and 1,924,766.52 is: 2,887,580.42
Step by Step Solution
- Step 1: Write the proportion equation
5,119,612.66 : 7,680,564.42 = 1,924,766.52 : x - Step 2: Convert to fraction form
5,119,612.66/7,680,564.42 = 1,924,766.52/x - Step 3: Cross multiply
5,119,612.66x = 7,680,564.42 × 1,924,766.52 - Step 4: Simplify right side
5,119,612.66x = 14,783,293,250,319.22 - Step 5: Solve for x
x = 14,783,293,250,319.22/5,119,612.66 - Step 6: Final answer
x = 2,887,580.42
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.