Finding the Fourth Proportional to 2,556,389.44, 3,528,129.92 and 1,468,659.20
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Solution
The fourth proportional to 2,556,389.44, 3,528,129.92 and 1,468,659.20 is: 2,026,929.22
Step by Step Solution
- Step 1: Write the proportion equation
2,556,389.44 : 3,528,129.92 = 1,468,659.20 : x - Step 2: Convert to fraction form
2,556,389.44/3,528,129.92 = 1,468,659.20/x - Step 3: Cross multiply
2,556,389.44x = 3,528,129.92 × 1,468,659.20 - Step 4: Simplify right side
2,556,389.44x = 5,181,620,465,803.26 - Step 5: Solve for x
x = 5,181,620,465,803.26/2,556,389.44 - Step 6: Final answer
x = 2,026,929.22
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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.