Finding the Fourth Proportional to 4,148,420.31, 5,722,785.18 and 2,772,101.88
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Solution
The fourth proportional to 4,148,420.31, 5,722,785.18 and 2,772,101.88 is: 3,824,140.85
Step by Step Solution
- Step 1: Write the proportion equation
4,148,420.31 : 5,722,785.18 = 2,772,101.88 : x - Step 2: Convert to fraction form
4,148,420.31/5,722,785.18 = 2,772,101.88/x - Step 3: Cross multiply
4,148,420.31x = 5,722,785.18 × 2,772,101.88 - Step 4: Simplify right side
4,148,420.31x = 15,864,143,556,314.14 - Step 5: Solve for x
x = 15,864,143,556,314.14/4,148,420.31 - Step 6: Final answer
x = 3,824,140.85
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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.