Finding the Fourth Proportional to 1,383,368.87, 1,909,050.66 and 763,159.97
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Solution
The fourth proportional to 1,383,368.87, 1,909,050.66 and 763,159.97 is: 1,053,161.65
Step by Step Solution
- Step 1: Write the proportion equation
1,383,368.87 : 1,909,050.66 = 763,159.97 : x - Step 2: Convert to fraction form
1,383,368.87/1,909,050.66 = 763,159.97/x - Step 3: Cross multiply
1,383,368.87x = 1,909,050.66 × 763,159.97 - Step 4: Simplify right side
1,383,368.87x = 1,456,911,049,186.71 - Step 5: Solve for x
x = 1,456,911,049,186.71/1,383,368.87 - Step 6: Final answer
x = 1,053,161.65
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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.