Finding the Fourth Proportional to 1,484,391.97, 2,048,452.36 and 805,313.89
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Solution
The fourth proportional to 1,484,391.97, 2,048,452.36 and 805,313.89 is: 1,111,328.52
Step by Step Solution
- Step 1: Write the proportion equation
1,484,391.97 : 2,048,452.36 = 805,313.89 : x - Step 2: Convert to fraction form
1,484,391.97/2,048,452.36 = 805,313.89/x - Step 3: Cross multiply
1,484,391.97x = 2,048,452.36 × 805,313.89 - Step 4: Simplify right side
1,484,391.97x = 1,649,647,138,511.28 - Step 5: Solve for x
x = 1,649,647,138,511.28/1,484,391.97 - Step 6: Final answer
x = 1,111,328.52
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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.