Finding the Fourth Proportional to 1,551,891.94, 2,141,590.32 and 872,828.44
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Solution
The fourth proportional to 1,551,891.94, 2,141,590.32 and 872,828.44 is: 1,204,491.69
Step by Step Solution
- Step 1: Write the proportion equation
1,551,891.94 : 2,141,590.32 = 872,828.44 : x - Step 2: Convert to fraction form
1,551,891.94/2,141,590.32 = 872,828.44/x - Step 3: Cross multiply
1,551,891.94x = 2,141,590.32 × 872,828.44 - Step 4: Simplify right side
1,551,891.94x = 1,869,240,938,124.70 - Step 5: Solve for x
x = 1,869,240,938,124.70/1,551,891.94 - Step 6: Final answer
x = 1,204,491.69
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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.