Finding the Fourth Proportional to 1,785,477.96, 2,464,919.13 and 1,376,683.92
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Solution
The fourth proportional to 1,785,477.96, 2,464,919.13 and 1,376,683.92 is: 1,900,563.66
Step by Step Solution
- Step 1: Write the proportion equation
1,785,477.96 : 2,464,919.13 = 1,376,683.92 : x - Step 2: Convert to fraction form
1,785,477.96/2,464,919.13 = 1,376,683.92/x - Step 3: Cross multiply
1,785,477.96x = 2,464,919.13 × 1,376,683.92 - Step 4: Simplify right side
1,785,477.96x = 3,393,414,530,371.39 - Step 5: Solve for x
x = 3,393,414,530,371.39/1,785,477.96 - Step 6: Final answer
x = 1,900,563.66
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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.