Finding the Fourth Proportional to 2,556,403.08, 3,529,114.62 and 1,589,844.76
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Solution
The fourth proportional to 2,556,403.08, 3,529,114.62 and 1,589,844.76 is: 2,194,780.80
Step by Step Solution
- Step 1: Write the proportion equation
2,556,403.08 : 3,529,114.62 = 1,589,844.76 : x - Step 2: Convert to fraction form
2,556,403.08/3,529,114.62 = 1,589,844.76/x - Step 3: Cross multiply
2,556,403.08x = 3,529,114.62 × 1,589,844.76 - Step 4: Simplify right side
2,556,403.08x = 5,610,744,386,046.39 - Step 5: Solve for x
x = 5,610,744,386,046.39/2,556,403.08 - Step 6: Final answer
x = 2,194,780.80
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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.