Finding the Fourth Proportional to 5,827,285.20, 8,743,449.60 and 3,128,462.40
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Solution
The fourth proportional to 5,827,285.20, 8,743,449.60 and 3,128,462.40 is: 4,694,047.46
Step by Step Solution
- Step 1: Write the proportion equation
5,827,285.20 : 8,743,449.60 = 3,128,462.40 : x - Step 2: Convert to fraction form
5,827,285.20/8,743,449.60 = 3,128,462.40/x - Step 3: Cross multiply
5,827,285.20x = 8,743,449.60 × 3,128,462.40 - Step 4: Simplify right side
5,827,285.20x = 27,353,553,319,895.04 - Step 5: Solve for x
x = 27,353,553,319,895.04/5,827,285.20 - Step 6: Final answer
x = 4,694,047.46
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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.