Finding the Fourth Proportional to 5,918,069.54, 8,172,576.36 and 5,595,657.37
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Solution
The fourth proportional to 5,918,069.54, 8,172,576.36 and 5,595,657.37 is: 7,727,340.28
Step by Step Solution
- Step 1: Write the proportion equation
5,918,069.54 : 8,172,576.36 = 5,595,657.37 : x - Step 2: Convert to fraction form
5,918,069.54/8,172,576.36 = 5,595,657.37/x - Step 3: Cross multiply
5,918,069.54x = 8,172,576.36 × 5,595,657.37 - Step 4: Simplify right side
5,918,069.54x = 45,730,937,140,721.77 - Step 5: Solve for x
x = 45,730,937,140,721.77/5,918,069.54 - Step 6: Final answer
x = 7,727,340.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.