Finding the Fourth Proportional to 2,819,497.59, 4,229,246.39 and 689,556.42
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Solution
The fourth proportional to 2,819,497.59, 4,229,246.39 and 689,556.42 is: 1,034,334.63
Step by Step Solution
- Step 1: Write the proportion equation
2,819,497.59 : 4,229,246.39 = 689,556.42 : x - Step 2: Convert to fraction form
2,819,497.59/4,229,246.39 = 689,556.42/x - Step 3: Cross multiply
2,819,497.59x = 4,229,246.39 × 689,556.42 - Step 4: Simplify right side
2,819,497.59x = 2,916,303,996,538.54 - Step 5: Solve for x
x = 2,916,303,996,538.54/2,819,497.59 - Step 6: Final answer
x = 1,034,334.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.