Finding the Fourth Proportional to 2,558,688.20, 3,529,509.49 and 1,653,270.20
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Solution
The fourth proportional to 2,558,688.20, 3,529,509.49 and 1,653,270.20 is: 2,280,556.44
Step by Step Solution
- Step 1: Write the proportion equation
2,558,688.20 : 3,529,509.49 = 1,653,270.20 : x - Step 2: Convert to fraction form
2,558,688.20/3,529,509.49 = 1,653,270.20/x - Step 3: Cross multiply
2,558,688.20x = 3,529,509.49 × 1,653,270.20 - Step 4: Simplify right side
2,558,688.20x = 5,835,232,860,434.20 - Step 5: Solve for x
x = 5,835,232,860,434.20/2,558,688.20 - Step 6: Final answer
x = 2,280,556.44
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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.