Finding the Fourth Proportional to 4,263,020.76, 6,394,961.16 and 1,384,267.08
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Solution
The fourth proportional to 4,263,020.76, 6,394,961.16 and 1,384,267.08 is: 2,076,540.25
Step by Step Solution
- Step 1: Write the proportion equation
4,263,020.76 : 6,394,961.16 = 1,384,267.08 : x - Step 2: Convert to fraction form
4,263,020.76/6,394,961.16 = 1,384,267.08/x - Step 3: Cross multiply
4,263,020.76x = 6,394,961.16 × 1,384,267.08 - Step 4: Simplify right side
4,263,020.76x = 8,852,334,211,666.61 - Step 5: Solve for x
x = 8,852,334,211,666.61/4,263,020.76 - Step 6: Final answer
x = 2,076,540.25
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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.