Finding the Fourth Proportional to 3,339,782.78, 4,608,595.58 and 1,889,610.62
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Solution
The fourth proportional to 3,339,782.78, 4,608,595.58 and 1,889,610.62 is: 2,607,490.28
Step by Step Solution
- Step 1: Write the proportion equation
3,339,782.78 : 4,608,595.58 = 1,889,610.62 : x - Step 2: Convert to fraction form
3,339,782.78/4,608,595.58 = 1,889,610.62/x - Step 3: Cross multiply
3,339,782.78x = 4,608,595.58 × 1,889,610.62 - Step 4: Simplify right side
3,339,782.78x = 8,708,451,151,253.06 - Step 5: Solve for x
x = 8,708,451,151,253.06/3,339,782.78 - Step 6: Final answer
x = 2,607,490.28
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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.