Finding the Fourth Proportional to 1,628,439.18, 2,247,282.09 and 903,263.28
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Solution
The fourth proportional to 1,628,439.18, 2,247,282.09 and 903,263.28 is: 1,246,523.31
Step by Step Solution
- Step 1: Write the proportion equation
1,628,439.18 : 2,247,282.09 = 903,263.28 : x - Step 2: Convert to fraction form
1,628,439.18/2,247,282.09 = 903,263.28/x - Step 3: Cross multiply
1,628,439.18x = 2,247,282.09 × 903,263.28 - Step 4: Simplify right side
1,628,439.18x = 2,029,887,391,698.66 - Step 5: Solve for x
x = 2,029,887,391,698.66/1,628,439.18 - Step 6: Final answer
x = 1,246,523.31
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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.