Finding the Fourth Proportional to 1,636,065.54, 2,252,763.09 and 1,631,341.62
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Solution
The fourth proportional to 1,636,065.54, 2,252,763.09 and 1,631,341.62 is: 2,246,258.54
Step by Step Solution
- Step 1: Write the proportion equation
1,636,065.54 : 2,252,763.09 = 1,631,341.62 : x - Step 2: Convert to fraction form
1,636,065.54/2,252,763.09 = 1,631,341.62/x - Step 3: Cross multiply
1,636,065.54x = 2,252,763.09 × 1,631,341.62 - Step 4: Simplify right side
1,636,065.54x = 3,675,026,188,716.81 - Step 5: Solve for x
x = 3,675,026,188,716.81/1,636,065.54 - Step 6: Final answer
x = 2,246,258.54
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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.