Finding the Fourth Proportional to 1,874,762.40, 2,585,237.24 and 1,603,727.48
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Solution
The fourth proportional to 1,874,762.40, 2,585,237.24 and 1,603,727.48 is: 2,211,488.78
Step by Step Solution
- Step 1: Write the proportion equation
1,874,762.40 : 2,585,237.24 = 1,603,727.48 : x - Step 2: Convert to fraction form
1,874,762.40/2,585,237.24 = 1,603,727.48/x - Step 3: Cross multiply
1,874,762.40x = 2,585,237.24 × 1,603,727.48 - Step 4: Simplify right side
1,874,762.40x = 4,146,016,004,107.36 - Step 5: Solve for x
x = 4,146,016,004,107.36/1,874,762.40 - Step 6: Final answer
x = 2,211,488.78
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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.