Finding the Fourth Proportional to 1,778,891.22, 2,454,889.68 and 963,112.68
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Solution
The fourth proportional to 1,778,891.22, 2,454,889.68 and 963,112.68 is: 1,329,106.22
Step by Step Solution
- Step 1: Write the proportion equation
1,778,891.22 : 2,454,889.68 = 963,112.68 : x - Step 2: Convert to fraction form
1,778,891.22/2,454,889.68 = 963,112.68/x - Step 3: Cross multiply
1,778,891.22x = 2,454,889.68 × 963,112.68 - Step 4: Simplify right side
1,778,891.22x = 2,364,335,378,809.14 - Step 5: Solve for x
x = 2,364,335,378,809.14/1,778,891.22 - Step 6: Final answer
x = 1,329,106.22
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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.