Finding the Fourth Proportional to 5,146,820.64, 7,103,463.84 and 2,855,719.44
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Solution
The fourth proportional to 5,146,820.64, 7,103,463.84 and 2,855,719.44 is: 3,941,365.20
Step by Step Solution
- Step 1: Write the proportion equation
5,146,820.64 : 7,103,463.84 = 2,855,719.44 : x - Step 2: Convert to fraction form
5,146,820.64/7,103,463.84 = 2,855,719.44/x - Step 3: Cross multiply
5,146,820.64x = 7,103,463.84 × 2,855,719.44 - Step 4: Simplify right side
5,146,820.64x = 20,285,499,779,225.05 - Step 5: Solve for x
x = 20,285,499,779,225.05/5,146,820.64 - Step 6: Final answer
x = 3,941,365.20
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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.