Finding the Fourth Proportional to 1,484,580.70, 2,048,745.18 and 805,517.20
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Solution
The fourth proportional to 1,484,580.70, 2,048,745.18 and 805,517.20 is: 1,111,626.66
Step by Step Solution
- Step 1: Write the proportion equation
1,484,580.70 : 2,048,745.18 = 805,517.20 : x - Step 2: Convert to fraction form
1,484,580.70/2,048,745.18 = 805,517.20/x - Step 3: Cross multiply
1,484,580.70x = 2,048,745.18 × 805,517.20 - Step 4: Simplify right side
1,484,580.70x = 1,650,299,480,907.10 - Step 5: Solve for x
x = 1,650,299,480,907.10/1,484,580.70 - Step 6: Final answer
x = 1,111,626.66
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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.