Finding the Fourth Proportional to 1,608,356.05, 2,219,556.85 and 873,309.91
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Solution
The fourth proportional to 1,608,356.05, 2,219,556.85 and 873,309.91 is: 1,205,181.52
Step by Step Solution
- Step 1: Write the proportion equation
1,608,356.05 : 2,219,556.85 = 873,309.91 : x - Step 2: Convert to fraction form
1,608,356.05/2,219,556.85 = 873,309.91/x - Step 3: Cross multiply
1,608,356.05x = 2,219,556.85 × 873,309.91 - Step 4: Simplify right side
1,608,356.05x = 1,938,360,992,913.38 - Step 5: Solve for x
x = 1,938,360,992,913.38/1,608,356.05 - Step 6: Final answer
x = 1,205,181.52
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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.