Finding the Fourth Proportional to 1,608,420.49, 2,219,553.76 and 873,346.02
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Solution
The fourth proportional to 1,608,420.49, 2,219,553.76 and 873,346.02 is: 1,205,181.39
Step by Step Solution
- Step 1: Write the proportion equation
1,608,420.49 : 2,219,553.76 = 873,346.02 : x - Step 2: Convert to fraction form
1,608,420.49/2,219,553.76 = 873,346.02/x - Step 3: Cross multiply
1,608,420.49x = 2,219,553.76 × 873,346.02 - Step 4: Simplify right side
1,608,420.49x = 1,938,438,453,558.45 - Step 5: Solve for x
x = 1,938,438,453,558.45/1,608,420.49 - Step 6: Final answer
x = 1,205,181.39
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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.