Finding the Fourth Proportional to 1,579,280.99, 2,179,675.73 and 891,147.92
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Solution
The fourth proportional to 1,579,280.99, 2,179,675.73 and 891,147.92 is: 1,229,935.33
Step by Step Solution
- Step 1: Write the proportion equation
1,579,280.99 : 2,179,675.73 = 891,147.92 : x - Step 2: Convert to fraction form
1,579,280.99/2,179,675.73 = 891,147.92/x - Step 3: Cross multiply
1,579,280.99x = 2,179,675.73 × 891,147.92 - Step 4: Simplify right side
1,579,280.99x = 1,942,413,488,608.24 - Step 5: Solve for x
x = 1,942,413,488,608.24/1,579,280.99 - Step 6: Final answer
x = 1,229,935.33
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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.