Finding the Fourth Proportional to 5,476,645.76, 8,219,004.88 and 2,598,021.60
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Solution
The fourth proportional to 5,476,645.76, 8,219,004.88 and 2,598,021.60 is: 3,898,947.12
Step by Step Solution
- Step 1: Write the proportion equation
5,476,645.76 : 8,219,004.88 = 2,598,021.60 : x - Step 2: Convert to fraction form
5,476,645.76/8,219,004.88 = 2,598,021.60/x - Step 3: Cross multiply
5,476,645.76x = 8,219,004.88 × 2,598,021.60 - Step 4: Simplify right side
5,476,645.76x = 21,353,152,208,745.41 - Step 5: Solve for x
x = 21,353,152,208,745.41/5,476,645.76 - Step 6: Final answer
x = 3,898,947.12
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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.