Finding the Fourth Proportional to 3,407,733.80, 4,702,686.06 and 1,859,028.57
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Solution
The fourth proportional to 3,407,733.80, 4,702,686.06 and 1,859,028.57 is: 2,565,466.75
Step by Step Solution
- Step 1: Write the proportion equation
3,407,733.80 : 4,702,686.06 = 1,859,028.57 : x - Step 2: Convert to fraction form
3,407,733.80/4,702,686.06 = 1,859,028.57/x - Step 3: Cross multiply
3,407,733.80x = 4,702,686.06 × 1,859,028.57 - Step 4: Simplify right side
3,407,733.80x = 8,742,427,741,280.73 - Step 5: Solve for x
x = 8,742,427,741,280.73/3,407,733.80 - Step 6: Final answer
x = 2,565,466.75
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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.