Finding the Fourth Proportional to 1,628,357.67, 2,246,947.14 and 940,026.78
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Solution
The fourth proportional to 1,628,357.67, 2,246,947.14 and 940,026.78 is: 1,297,129.32
Step by Step Solution
- Step 1: Write the proportion equation
1,628,357.67 : 2,246,947.14 = 940,026.78 : x - Step 2: Convert to fraction form
1,628,357.67/2,246,947.14 = 940,026.78/x - Step 3: Cross multiply
1,628,357.67x = 2,246,947.14 × 940,026.78 - Step 4: Simplify right side
1,628,357.67x = 2,112,190,484,844.41 - Step 5: Solve for x
x = 2,112,190,484,844.41/1,628,357.67 - Step 6: Final answer
x = 1,297,129.32
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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.