Finding the Fourth Proportional to 2,608,421.60, 3,912,659.40 and 715,162.88
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Solution
The fourth proportional to 2,608,421.60, 3,912,659.40 and 715,162.88 is: 1,072,751.72
Step by Step Solution
- Step 1: Write the proportion equation
2,608,421.60 : 3,912,659.40 = 715,162.88 : x - Step 2: Convert to fraction form
2,608,421.60/3,912,659.40 = 715,162.88/x - Step 3: Cross multiply
2,608,421.60x = 3,912,659.40 × 715,162.88 - Step 4: Simplify right side
2,608,421.60x = 2,798,188,764,963.07 - Step 5: Solve for x
x = 2,798,188,764,963.07/2,608,421.60 - Step 6: Final answer
x = 1,072,751.72
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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.